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Finding the Fourth Proportional to 71,344.05, 107,023.15 and 26,377.20

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Solution

The fourth proportional to 71,344.05, 107,023.15 and 26,377.20 is: 39,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,344.05 : 107,023.15 = 26,377.20 : x
  2. Step 2: Convert to fraction form
    71,344.05/107,023.15 = 26,377.20/x
  3. Step 3: Cross multiply
    71,344.05x = 107,023.15 × 26,377.20
  4. Step 4: Simplify right side
    71,344.05x = 2,822,971,167.85
  5. Step 5: Solve for x
    x = 2,822,971,167.85/71,344.05
  6. Step 6: Final answer
    x = 39,568.42

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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.