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<font size="4" style="color: rgb(0, 0, 0); font-family: times new roman,times,serif; font-style: italic;"> La altura de #t1 y #t2 en un galpón son <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#a1«/mi»«/math»</span> mt. y <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#a2«/mi»«/math»</span> mt. respectivamente. <br />Si se está construyendo una maqueta a escala en que #t3 mide <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#b1«/mi»«/math»</span> cm., entonces #t4 debe medir: <br /><br /></font><font class="Apple-style-span" face="verdana, arial, helvetica, sans-serif" size="4" style="color: rgb(0, 0, 0); font-family: times new roman,times,serif; font-style: italic;"><font class="Apple-style-span">{1:SA:=\#s1#Bien. Continúa de esta manera}</font></font><font size="4" style="color: rgb(0, 0, 0); font-family: times new roman,times,serif; font-style: italic;">cm<br /><br /><span style="color: rgb(153, 0, 0);">Obs.:</span><br style="color: rgb(153, 0, 0);" /><span style="color: rgb(153, 0, 0);">Para separar los decimales escribe un punto en vez de coma.</span><br style="color: rgb(153, 0, 0);" /></font><b id="internal-source-marker_0.6160804741084576" style="color: rgb(153, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2;"><span style="font-family: arial; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"></span></b><br /><font size="4" style="color: rgb(0, 0, 0); font-family: times new roman,times,serif; font-style: italic;"><br /><br /></font>
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<div style="text-align: justify;"><font size="4" style="font-style: italic;"><span style="font-family: times new roman,times,serif;">Solución</span></font><br /><br style="font-family: times new roman,times,serif;" /><font size="4" style="font-style: italic;"><span style="font-family: times new roman,times,serif;"> Que la maqueta se esté construyendo a escala, indica que los valores de #t1 y #t2, tienen que ser proporcionales a los tamaños reales. Entonces, calcularemos </span></font><font size="4" style="font-style: italic;"><span style="font-family: times new roman,times,serif;">primero</span></font><font size="4" style="font-style: italic;"><span style="font-family: times new roman,times,serif;"> la constante de proporcionalidad.</span></font><br style="font-family: times new roman,times,serif;" /><font size="4" style="font-style: italic;"><span style="font-family: times new roman,times,serif;">La razón entre la medida de #t1 y #t2 está dada por:</span></font><br /><br style="font-family: times new roman,times,serif;" /><font size="4" style="font-style: italic;"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mfrac»«mrow»«mi»#a1«/mi»«mo»§nbsp;«/mo»«mi»m«/mi»«/mrow»«mrow»«mi»#a2«/mi»«mo»§nbsp;«/mo»«mi»m«/mi»«/mrow»«/mfrac»«mo»=«/mo»«mi»#r1«/mi»«/math»</span><span style="font-family: times new roman,times,serif;"> <br />(Observa que al hacer la razón, el resultado no tiene unidades)</span></font><br /><br style="font-family: times new roman,times,serif;" /><font size="4" style="font-style: italic;"><span style="font-family: times new roman,times,serif;">Ahora, como #t4 en la maqueta debe ser proporcional, se debe cumplir lo siguiente:</span></font><br /><br /><font size="4" style="font-style: italic;"><span style="font-family: times new roman,times,serif;"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mfrac»«mi»#b1«/mi»«mrow»«mi»#t4«/mi»«/mrow»«/mfrac»«mo»=«/mo»«mi»#r1«/mi»«/math»</span> <br />Al despejar #t4 de la igualdad nos queda:<br /><br /></span></font><font size="4" style="font-style: italic;"><span style="font-family: times new roman,times,serif;"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi»#t4«/mi»«mo»=«/mo»«mfrac»«mi»#b1«/mi»«mi»#r1«/mi»«/mfrac»«mo»=«/mo»«mi»#b2«/mi»«/math»</span></span></font><br /><font size="4" style="font-style: italic;"><span style="font-family: times new roman,times,serif;">Por lo tanto, #t4 debe medir <span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi»#b2«/mi»«/math»</span> cm</span></font>.<br style="font-family: times new roman,times,serif;" /><font size="4" style="font-style: italic;"><span style="font-family: times new roman,times,serif;"></span></font><br style="font-family: times new roman,times,serif;" /></div>
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