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Finding the Fourth Proportional to 3,791.41, 5,687.91 and 1,600.17

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Solution

The fourth proportional to 3,791.41, 5,687.91 and 1,600.17 is: 2,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.41 : 5,687.91 = 1,600.17 : x
  2. Step 2: Convert to fraction form
    3,791.41/5,687.91 = 1,600.17/x
  3. Step 3: Cross multiply
    3,791.41x = 5,687.91 × 1,600.17
  4. Step 4: Simplify right side
    3,791.41x = 9,101,622.94
  5. Step 5: Solve for x
    x = 9,101,622.94/3,791.41
  6. Step 6: Final answer
    x = 2,400.59

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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.