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Finding the Fourth Proportional to 11,773.52, 17,657.28 and 3,451.28

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Solution

The fourth proportional to 11,773.52, 17,657.28 and 3,451.28 is: 5,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.52 : 17,657.28 = 3,451.28 : x
  2. Step 2: Convert to fraction form
    11,773.52/17,657.28 = 3,451.28/x
  3. Step 3: Cross multiply
    11,773.52x = 17,657.28 × 3,451.28
  4. Step 4: Simplify right side
    11,773.52x = 60,940,217.32
  5. Step 5: Solve for x
    x = 60,940,217.32/11,773.52
  6. Step 6: Final answer
    x = 5,176.04

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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.