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Finding the Fourth Proportional to 3,681.92, 5,073.13 and 2,500.94

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Solution

The fourth proportional to 3,681.92, 5,073.13 and 2,500.94 is: 3,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.92 : 5,073.13 = 2,500.94 : x
  2. Step 2: Convert to fraction form
    3,681.92/5,073.13 = 2,500.94/x
  3. Step 3: Cross multiply
    3,681.92x = 5,073.13 × 2,500.94
  4. Step 4: Simplify right side
    3,681.92x = 12,687,609.55
  5. Step 5: Solve for x
    x = 12,687,609.55/3,681.92
  6. Step 6: Final answer
    x = 3,445.92

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1.5x scale

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.