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Finding the Fourth Proportional to 8,793.60, 13,188.96 and 3,249.54

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Solution

The fourth proportional to 8,793.60, 13,188.96 and 3,249.54 is: 4,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.60 : 13,188.96 = 3,249.54 : x
  2. Step 2: Convert to fraction form
    8,793.60/13,188.96 = 3,249.54/x
  3. Step 3: Cross multiply
    8,793.60x = 13,188.96 × 3,249.54
  4. Step 4: Simplify right side
    8,793.60x = 42,858,053.08
  5. Step 5: Solve for x
    x = 42,858,053.08/8,793.60
  6. Step 6: Final answer
    x = 4,873.78

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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.