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Finding the Fourth Proportional to 16,390.62, 24,592.68 and 5,861.97

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Solution

The fourth proportional to 16,390.62, 24,592.68 and 5,861.97 is: 8,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.62 : 24,592.68 = 5,861.97 : x
  2. Step 2: Convert to fraction form
    16,390.62/24,592.68 = 5,861.97/x
  3. Step 3: Cross multiply
    16,390.62x = 24,592.68 × 5,861.97
  4. Step 4: Simplify right side
    16,390.62x = 144,161,552.38
  5. Step 5: Solve for x
    x = 144,161,552.38/16,390.62
  6. Step 6: Final answer
    x = 8,795.37

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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.