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Finding the Fourth Proportional to 3,569.27, 5,351.16 and 1,487.97

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Solution

The fourth proportional to 3,569.27, 5,351.16 and 1,487.97 is: 2,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.27 : 5,351.16 = 1,487.97 : x
  2. Step 2: Convert to fraction form
    3,569.27/5,351.16 = 1,487.97/x
  3. Step 3: Cross multiply
    3,569.27x = 5,351.16 × 1,487.97
  4. Step 4: Simplify right side
    3,569.27x = 7,962,371.13
  5. Step 5: Solve for x
    x = 7,962,371.13/3,569.27
  6. Step 6: Final answer
    x = 2,230.82

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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.