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Finding the Fourth Proportional to 63,876.80, 95,815.20 and 16,491.80

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Solution

The fourth proportional to 63,876.80, 95,815.20 and 16,491.80 is: 24,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,876.80 : 95,815.20 = 16,491.80 : x
  2. Step 2: Convert to fraction form
    63,876.80/95,815.20 = 16,491.80/x
  3. Step 3: Cross multiply
    63,876.80x = 95,815.20 × 16,491.80
  4. Step 4: Simplify right side
    63,876.80x = 1,580,165,115.36
  5. Step 5: Solve for x
    x = 1,580,165,115.36/63,876.80
  6. Step 6: Final answer
    x = 24,737.70

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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.