Finding the Fourth Proportional to 71,718.56, 107,592.42 and 24,975.08
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Solution
The fourth proportional to 71,718.56, 107,592.42 and 24,975.08 is: 37,467.70
Step by Step Solution
- Step 1: Write the proportion equation
71,718.56 : 107,592.42 = 24,975.08 : x - Step 2: Convert to fraction form
71,718.56/107,592.42 = 24,975.08/x - Step 3: Cross multiply
71,718.56x = 107,592.42 × 24,975.08 - Step 4: Simplify right side
71,718.56x = 2,687,129,296.89 - Step 5: Solve for x
x = 2,687,129,296.89/71,718.56 - Step 6: Final answer
x = 37,467.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.