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Finding the Fourth Proportional to 3,832.62, 5,751.15 and 1,611.28

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Solution

The fourth proportional to 3,832.62, 5,751.15 and 1,611.28 is: 2,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.62 : 5,751.15 = 1,611.28 : x
  2. Step 2: Convert to fraction form
    3,832.62/5,751.15 = 1,611.28/x
  3. Step 3: Cross multiply
    3,832.62x = 5,751.15 × 1,611.28
  4. Step 4: Simplify right side
    3,832.62x = 9,266,726.20
  5. Step 5: Solve for x
    x = 9,266,726.20/3,832.62
  6. Step 6: Final answer
    x = 2,417.85

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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.