x = \frac{72 \times 28}{24} \\ x = 84" alt=" \frac{72}{24} = \frac{x}{28} = > x = \frac{72 \times 28}{24} \\ x = 84" align="absmiddle" class="latex-formula">
x = \frac{420 \times 85}{48} \\ x = 743.75" alt=" \frac{420}{48} = \frac{x}{85} = > x = \frac{420 \times 85}{48} \\ x = 743.75" align="absmiddle" class="latex-formula">
x = \frac{36 \times 3}{2} \\ x = 54" alt="36 \times 3 = x \times 2 \: = > x = \frac{36 \times 3}{2} \\ x = 54" align="absmiddle" class="latex-formula">