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Finding the Fourth Proportional to 62,748.70, 94,116.16 and 18,375.90

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Solution

The fourth proportional to 62,748.70, 94,116.16 and 18,375.90 is: 27,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,748.70 : 94,116.16 = 18,375.90 : x
  2. Step 2: Convert to fraction form
    62,748.70/94,116.16 = 18,375.90/x
  3. Step 3: Cross multiply
    62,748.70x = 94,116.16 × 18,375.90
  4. Step 4: Simplify right side
    62,748.70x = 1,729,469,144.54
  5. Step 5: Solve for x
    x = 1,729,469,144.54/62,748.70
  6. Step 6: Final answer
    x = 27,561.83

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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.