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Finding the Fourth Proportional to 5,660.62, 8,487.05 and 2,881.91

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Solution

The fourth proportional to 5,660.62, 8,487.05 and 2,881.91 is: 4,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.62 : 8,487.05 = 2,881.91 : x
  2. Step 2: Convert to fraction form
    5,660.62/8,487.05 = 2,881.91/x
  3. Step 3: Cross multiply
    5,660.62x = 8,487.05 × 2,881.91
  4. Step 4: Simplify right side
    5,660.62x = 24,458,945.39
  5. Step 5: Solve for x
    x = 24,458,945.39/5,660.62
  6. Step 6: Final answer
    x = 4,320.90

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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.