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Finding the Fourth Proportional to 67,410.57, 93,034.82 and 38,730.17

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Solution

The fourth proportional to 67,410.57, 93,034.82 and 38,730.17 is: 53,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,410.57 : 93,034.82 = 38,730.17 : x
  2. Step 2: Convert to fraction form
    67,410.57/93,034.82 = 38,730.17/x
  3. Step 3: Cross multiply
    67,410.57x = 93,034.82 × 38,730.17
  4. Step 4: Simplify right side
    67,410.57x = 3,603,254,394.52
  5. Step 5: Solve for x
    x = 3,603,254,394.52/67,410.57
  6. Step 6: Final answer
    x = 53,452.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.