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Finding the Fourth Proportional to 16,791.68, 25,171.09 and 6,253.97

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Solution

The fourth proportional to 16,791.68, 25,171.09 and 6,253.97 is: 9,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.68 : 25,171.09 = 6,253.97 : x
  2. Step 2: Convert to fraction form
    16,791.68/25,171.09 = 6,253.97/x
  3. Step 3: Cross multiply
    16,791.68x = 25,171.09 × 6,253.97
  4. Step 4: Simplify right side
    16,791.68x = 157,419,241.73
  5. Step 5: Solve for x
    x = 157,419,241.73/16,791.68
  6. Step 6: Final answer
    x = 9,374.84

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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.