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Finding the Fourth Proportional to 3,397.52, 5,091.96 and 1,859.60

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Solution

The fourth proportional to 3,397.52, 5,091.96 and 1,859.60 is: 2,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.52 : 5,091.96 = 1,859.60 : x
  2. Step 2: Convert to fraction form
    3,397.52/5,091.96 = 1,859.60/x
  3. Step 3: Cross multiply
    3,397.52x = 5,091.96 × 1,859.60
  4. Step 4: Simplify right side
    3,397.52x = 9,469,008.82
  5. Step 5: Solve for x
    x = 9,469,008.82/3,397.52
  6. Step 6: Final answer
    x = 2,787.04

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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.