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Finding the Fourth Proportional to 41,773.50, 62,666.20 and 13,687.56

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Solution

The fourth proportional to 41,773.50, 62,666.20 and 13,687.56 is: 20,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,773.50 : 62,666.20 = 13,687.56 : x
  2. Step 2: Convert to fraction form
    41,773.50/62,666.20 = 13,687.56/x
  3. Step 3: Cross multiply
    41,773.50x = 62,666.20 × 13,687.56
  4. Step 4: Simplify right side
    41,773.50x = 857,747,372.47
  5. Step 5: Solve for x
    x = 857,747,372.47/41,773.50
  6. Step 6: Final answer
    x = 20,533.29

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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.