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Finding the Fourth Proportional to 3,591.27, 4,938.62 and 2,874.12

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Solution

The fourth proportional to 3,591.27, 4,938.62 and 2,874.12 is: 3,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.27 : 4,938.62 = 2,874.12 : x
  2. Step 2: Convert to fraction form
    3,591.27/4,938.62 = 2,874.12/x
  3. Step 3: Cross multiply
    3,591.27x = 4,938.62 × 2,874.12
  4. Step 4: Simplify right side
    3,591.27x = 14,194,169.79
  5. Step 5: Solve for x
    x = 14,194,169.79/3,591.27
  6. Step 6: Final answer
    x = 3,952.41

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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.