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Finding the Fourth Proportional to 5,335.52, 8,003.30 and 3,691.60

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Solution

The fourth proportional to 5,335.52, 8,003.30 and 3,691.60 is: 5,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.52 : 8,003.30 = 3,691.60 : x
  2. Step 2: Convert to fraction form
    5,335.52/8,003.30 = 3,691.60/x
  3. Step 3: Cross multiply
    5,335.52x = 8,003.30 × 3,691.60
  4. Step 4: Simplify right side
    5,335.52x = 29,544,982.28
  5. Step 5: Solve for x
    x = 29,544,982.28/5,335.52
  6. Step 6: Final answer
    x = 5,537.41

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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.