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Finding the Fourth Proportional to 8,793.77, 13,181.33 and 5,461.97

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Solution

The fourth proportional to 8,793.77, 13,181.33 and 5,461.97 is: 8,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.77 : 13,181.33 = 5,461.97 : x
  2. Step 2: Convert to fraction form
    8,793.77/13,181.33 = 5,461.97/x
  3. Step 3: Cross multiply
    8,793.77x = 13,181.33 × 5,461.97
  4. Step 4: Simplify right side
    8,793.77x = 71,995,976.77
  5. Step 5: Solve for x
    x = 71,995,976.77/8,793.77
  6. Step 6: Final answer
    x = 8,187.16

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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.