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Finding the Fourth Proportional to 6,982.26, 9,625.60 and 5,553.42

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Solution

The fourth proportional to 6,982.26, 9,625.60 and 5,553.42 is: 7,655.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.26 : 9,625.60 = 5,553.42 : x
  2. Step 2: Convert to fraction form
    6,982.26/9,625.60 = 5,553.42/x
  3. Step 3: Cross multiply
    6,982.26x = 9,625.60 × 5,553.42
  4. Step 4: Simplify right side
    6,982.26x = 53,454,937.54
  5. Step 5: Solve for x
    x = 53,454,937.54/6,982.26
  6. Step 6: Final answer
    x = 7,655.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.