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Finding the Fourth Proportional to 62,339.59, 93,647.78 and 38,664.63

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Solution

The fourth proportional to 62,339.59, 93,647.78 and 38,664.63 is: 58,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,339.59 : 93,647.78 = 38,664.63 : x
  2. Step 2: Convert to fraction form
    62,339.59/93,647.78 = 38,664.63/x
  3. Step 3: Cross multiply
    62,339.59x = 93,647.78 × 38,664.63
  4. Step 4: Simplify right side
    62,339.59x = 3,620,856,764.02
  5. Step 5: Solve for x
    x = 3,620,856,764.02/62,339.59
  6. Step 6: Final answer
    x = 58,082.79

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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.