Finding the Fourth Proportional to 74,449.62, 111,688.11 and 24,532.66
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Solution
The fourth proportional to 74,449.62, 111,688.11 and 24,532.66 is: 36,803.50
Step by Step Solution
- Step 1: Write the proportion equation
74,449.62 : 111,688.11 = 24,532.66 : x - Step 2: Convert to fraction form
74,449.62/111,688.11 = 24,532.66/x - Step 3: Cross multiply
74,449.62x = 111,688.11 × 24,532.66 - Step 4: Simplify right side
74,449.62x = 2,740,006,428.67 - Step 5: Solve for x
x = 2,740,006,428.67/74,449.62 - Step 6: Final answer
x = 36,803.50
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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.