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Finding the Fourth Proportional to 2,472.96, 3,414.24 and 1,542

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Solution

The fourth proportional to 2,472.96, 3,414.24 and 1,542 is: 2,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.96 : 3,414.24 = 1,542 : x
  2. Step 2: Convert to fraction form
    2,472.96/3,414.24 = 1,542/x
  3. Step 3: Cross multiply
    2,472.96x = 3,414.24 × 1,542
  4. Step 4: Simplify right side
    2,472.96x = 5,264,758.08
  5. Step 5: Solve for x
    x = 5,264,758.08/2,472.96
  6. Step 6: Final answer
    x = 2,128.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.