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Finding the Fourth Proportional to 16,729.88, 25,078.44 and 9,337.88

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Solution

The fourth proportional to 16,729.88, 25,078.44 and 9,337.88 is: 13,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.88 : 25,078.44 = 9,337.88 : x
  2. Step 2: Convert to fraction form
    16,729.88/25,078.44 = 9,337.88/x
  3. Step 3: Cross multiply
    16,729.88x = 25,078.44 × 9,337.88
  4. Step 4: Simplify right side
    16,729.88x = 234,179,463.31
  5. Step 5: Solve for x
    x = 234,179,463.31/16,729.88
  6. Step 6: Final answer
    x = 13,997.68

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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.