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Finding the Fourth Proportional to 3,839.73, 5,751.96 and 2,959.17

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Solution

The fourth proportional to 3,839.73, 5,751.96 and 2,959.17 is: 4,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.73 : 5,751.96 = 2,959.17 : x
  2. Step 2: Convert to fraction form
    3,839.73/5,751.96 = 2,959.17/x
  3. Step 3: Cross multiply
    3,839.73x = 5,751.96 × 2,959.17
  4. Step 4: Simplify right side
    3,839.73x = 17,020,991.32
  5. Step 5: Solve for x
    x = 17,020,991.32/3,839.73
  6. Step 6: Final answer
    x = 4,432.86

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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.