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Finding the Fourth Proportional to 11,447.52, 17,171.28 and 6,250.56

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Solution

The fourth proportional to 11,447.52, 17,171.28 and 6,250.56 is: 9,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.52 : 17,171.28 = 6,250.56 : x
  2. Step 2: Convert to fraction form
    11,447.52/17,171.28 = 6,250.56/x
  3. Step 3: Cross multiply
    11,447.52x = 17,171.28 × 6,250.56
  4. Step 4: Simplify right side
    11,447.52x = 107,330,115.92
  5. Step 5: Solve for x
    x = 107,330,115.92/11,447.52
  6. Step 6: Final answer
    x = 9,375.84

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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.