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Finding the Fourth Proportional to 62,279.70, 93,419.55 and 37,347.90

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Solution

The fourth proportional to 62,279.70, 93,419.55 and 37,347.90 is: 56,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,279.70 : 93,419.55 = 37,347.90 : x
  2. Step 2: Convert to fraction form
    62,279.70/93,419.55 = 37,347.90/x
  3. Step 3: Cross multiply
    62,279.70x = 93,419.55 × 37,347.90
  4. Step 4: Simplify right side
    62,279.70x = 3,489,024,011.45
  5. Step 5: Solve for x
    x = 3,489,024,011.45/62,279.70
  6. Step 6: Final answer
    x = 56,021.85

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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.