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Finding the Fourth Proportional to 2,252.57, 3,372.68 and 1,520.69

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Solution

The fourth proportional to 2,252.57, 3,372.68 and 1,520.69 is: 2,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.57 : 3,372.68 = 1,520.69 : x
  2. Step 2: Convert to fraction form
    2,252.57/3,372.68 = 1,520.69/x
  3. Step 3: Cross multiply
    2,252.57x = 3,372.68 × 1,520.69
  4. Step 4: Simplify right side
    2,252.57x = 5,128,776.28
  5. Step 5: Solve for x
    x = 5,128,776.28/2,252.57
  6. Step 6: Final answer
    x = 2,276.86

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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.