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Finding the Fourth Proportional to 41,871.53, 62,815.94 and 13,793.29

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Solution

The fourth proportional to 41,871.53, 62,815.94 and 13,793.29 is: 20,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,871.53 : 62,815.94 = 13,793.29 : x
  2. Step 2: Convert to fraction form
    41,871.53/62,815.94 = 13,793.29/x
  3. Step 3: Cross multiply
    41,871.53x = 62,815.94 × 13,793.29
  4. Step 4: Simplify right side
    41,871.53x = 866,438,354.49
  5. Step 5: Solve for x
    x = 866,438,354.49/41,871.53
  6. Step 6: Final answer
    x = 20,692.78

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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.