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Finding the Fourth Proportional to 2,432.62, 3,649.20 and 701.38

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Solution

The fourth proportional to 2,432.62, 3,649.20 and 701.38 is: 1,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.62 : 3,649.20 = 701.38 : x
  2. Step 2: Convert to fraction form
    2,432.62/3,649.20 = 701.38/x
  3. Step 3: Cross multiply
    2,432.62x = 3,649.20 × 701.38
  4. Step 4: Simplify right side
    2,432.62x = 2,559,475.90
  5. Step 5: Solve for x
    x = 2,559,475.90/2,432.62
  6. Step 6: Final answer
    x = 1,052.15

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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.