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Finding the Fourth Proportional to 71,358.33, 107,103.92 and 36,324.21

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Solution

The fourth proportional to 71,358.33, 107,103.92 and 36,324.21 is: 54,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,358.33 : 107,103.92 = 36,324.21 : x
  2. Step 2: Convert to fraction form
    71,358.33/107,103.92 = 36,324.21/x
  3. Step 3: Cross multiply
    71,358.33x = 107,103.92 × 36,324.21
  4. Step 4: Simplify right side
    71,358.33x = 3,890,465,100.28
  5. Step 5: Solve for x
    x = 3,890,465,100.28/71,358.33
  6. Step 6: Final answer
    x = 54,520.13

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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.