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Finding the Fourth Proportional to 3,893.48, 5,839.26 and 2,251.88

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Solution

The fourth proportional to 3,893.48, 5,839.26 and 2,251.88 is: 3,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.48 : 5,839.26 = 2,251.88 : x
  2. Step 2: Convert to fraction form
    3,893.48/5,839.26 = 2,251.88/x
  3. Step 3: Cross multiply
    3,893.48x = 5,839.26 × 2,251.88
  4. Step 4: Simplify right side
    3,893.48x = 13,149,312.81
  5. Step 5: Solve for x
    x = 13,149,312.81/3,893.48
  6. Step 6: Final answer
    x = 3,377.26

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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.