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Finding the Fourth Proportional to 41,372.20, 62,060.70 and 11,792.20

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Solution

The fourth proportional to 41,372.20, 62,060.70 and 11,792.20 is: 17,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,372.20 : 62,060.70 = 11,792.20 : x
  2. Step 2: Convert to fraction form
    41,372.20/62,060.70 = 11,792.20/x
  3. Step 3: Cross multiply
    41,372.20x = 62,060.70 × 11,792.20
  4. Step 4: Simplify right side
    41,372.20x = 731,832,186.54
  5. Step 5: Solve for x
    x = 731,832,186.54/41,372.20
  6. Step 6: Final answer
    x = 17,688.98

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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.