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Finding the Fourth Proportional to 36,229.60, 54,344.40 and 9,934.30

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Solution

The fourth proportional to 36,229.60, 54,344.40 and 9,934.30 is: 14,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,229.60 : 54,344.40 = 9,934.30 : x
  2. Step 2: Convert to fraction form
    36,229.60/54,344.40 = 9,934.30/x
  3. Step 3: Cross multiply
    36,229.60x = 54,344.40 × 9,934.30
  4. Step 4: Simplify right side
    36,229.60x = 539,873,572.92
  5. Step 5: Solve for x
    x = 539,873,572.92/36,229.60
  6. Step 6: Final answer
    x = 14,901.45

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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.