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Finding the Fourth Proportional to 41,654.40, 62,489.70 and 12,073.20

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Solution

The fourth proportional to 41,654.40, 62,489.70 and 12,073.20 is: 18,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,654.40 : 62,489.70 = 12,073.20 : x
  2. Step 2: Convert to fraction form
    41,654.40/62,489.70 = 12,073.20/x
  3. Step 3: Cross multiply
    41,654.40x = 62,489.70 × 12,073.20
  4. Step 4: Simplify right side
    41,654.40x = 754,450,646.04
  5. Step 5: Solve for x
    x = 754,450,646.04/41,654.40
  6. Step 6: Final answer
    x = 18,112.15

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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.