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Finding the Fourth Proportional to 8,793.87, 13,189.38 and 3,249.81

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Solution

The fourth proportional to 8,793.87, 13,189.38 and 3,249.81 is: 4,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.87 : 13,189.38 = 3,249.81 : x
  2. Step 2: Convert to fraction form
    8,793.87/13,189.38 = 3,249.81/x
  3. Step 3: Cross multiply
    8,793.87x = 13,189.38 × 3,249.81
  4. Step 4: Simplify right side
    8,793.87x = 42,862,979.02
  5. Step 5: Solve for x
    x = 42,862,979.02/8,793.87
  6. Step 6: Final answer
    x = 4,874.19

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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.