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Finding the Fourth Proportional to 16,372.80, 24,561.68 and 8,363.17

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Solution

The fourth proportional to 16,372.80, 24,561.68 and 8,363.17 is: 12,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,372.80 : 24,561.68 = 8,363.17 : x
  2. Step 2: Convert to fraction form
    16,372.80/24,561.68 = 8,363.17/x
  3. Step 3: Cross multiply
    16,372.80x = 24,561.68 × 8,363.17
  4. Step 4: Simplify right side
    16,372.80x = 205,413,505.33
  5. Step 5: Solve for x
    x = 205,413,505.33/16,372.80
  6. Step 6: Final answer
    x = 12,546.02

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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.