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Finding the Fourth Proportional to 62,339.63, 93,647.85 and 38,664.68

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Solution

The fourth proportional to 62,339.63, 93,647.85 and 38,664.68 is: 58,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,339.63 : 93,647.85 = 38,664.68 : x
  2. Step 2: Convert to fraction form
    62,339.63/93,647.85 = 38,664.68/x
  3. Step 3: Cross multiply
    62,339.63x = 93,647.85 × 38,664.68
  4. Step 4: Simplify right side
    62,339.63x = 3,620,863,860.29
  5. Step 5: Solve for x
    x = 3,620,863,860.29/62,339.63
  6. Step 6: Final answer
    x = 58,082.86

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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.