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Finding the Fourth Proportional to 71,394.92, 107,091.62 and 29,265.62

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Solution

The fourth proportional to 71,394.92, 107,091.62 and 29,265.62 is: 43,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,394.92 : 107,091.62 = 29,265.62 : x
  2. Step 2: Convert to fraction form
    71,394.92/107,091.62 = 29,265.62/x
  3. Step 3: Cross multiply
    71,394.92x = 107,091.62 × 29,265.62
  4. Step 4: Simplify right side
    71,394.92x = 3,134,101,974.32
  5. Step 5: Solve for x
    x = 3,134,101,974.32/71,394.92
  6. Step 6: Final answer
    x = 43,898.11

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1.5x scale

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.