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Finding the Fourth Proportional to 3,611.26, 4,982.05 and 2,432.71

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Solution

The fourth proportional to 3,611.26, 4,982.05 and 2,432.71 is: 3,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.26 : 4,982.05 = 2,432.71 : x
  2. Step 2: Convert to fraction form
    3,611.26/4,982.05 = 2,432.71/x
  3. Step 3: Cross multiply
    3,611.26x = 4,982.05 × 2,432.71
  4. Step 4: Simplify right side
    3,611.26x = 12,119,882.86
  5. Step 5: Solve for x
    x = 12,119,882.86/3,611.26
  6. Step 6: Final answer
    x = 3,356.14

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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.