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Finding the Fourth Proportional to 41,761.92, 62,613.12 and 19,563.20

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Solution

The fourth proportional to 41,761.92, 62,613.12 and 19,563.20 is: 29,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,761.92 : 62,613.12 = 19,563.20 : x
  2. Step 2: Convert to fraction form
    41,761.92/62,613.12 = 19,563.20/x
  3. Step 3: Cross multiply
    41,761.92x = 62,613.12 × 19,563.20
  4. Step 4: Simplify right side
    41,761.92x = 1,224,912,676.12
  5. Step 5: Solve for x
    x = 1,224,912,676.12/41,761.92
  6. Step 6: Final answer
    x = 29,330.85

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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.