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Finding the Fourth Proportional to 8,799.29, 13,191.64 and 3,251.60

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Solution

The fourth proportional to 8,799.29, 13,191.64 and 3,251.60 is: 4,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.29 : 13,191.64 = 3,251.60 : x
  2. Step 2: Convert to fraction form
    8,799.29/13,191.64 = 3,251.60/x
  3. Step 3: Cross multiply
    8,799.29x = 13,191.64 × 3,251.60
  4. Step 4: Simplify right side
    8,799.29x = 42,893,936.62
  5. Step 5: Solve for x
    x = 42,893,936.62/8,799.29
  6. Step 6: Final answer
    x = 4,874.70

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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.