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Finding the Fourth Proportional to 29,378.43, 44,067.57 and 10,658.43

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Solution

The fourth proportional to 29,378.43, 44,067.57 and 10,658.43 is: 15,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.43 : 44,067.57 = 10,658.43 : x
  2. Step 2: Convert to fraction form
    29,378.43/44,067.57 = 10,658.43/x
  3. Step 3: Cross multiply
    29,378.43x = 44,067.57 × 10,658.43
  4. Step 4: Simplify right side
    29,378.43x = 469,691,110.12
  5. Step 5: Solve for x
    x = 469,691,110.12/29,378.43
  6. Step 6: Final answer
    x = 15,987.62

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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.