Question

(\frac{13}{7} = \frac{x}{49})

Explanation:

Step1: Cross-multiply to isolate $x$

$x = 13 \times \frac{49}{7}$

Step2: Simplify the fraction

$\frac{49}{7} = 7$

Step3: Calculate the product

$x = 13 \times 7$

Answer:

$x = 91$