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Finding the Fourth Proportional to 6,993.57, 10,481.13 and 3,705.78

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Solution

The fourth proportional to 6,993.57, 10,481.13 and 3,705.78 is: 5,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,993.57 : 10,481.13 = 3,705.78 : x
  2. Step 2: Convert to fraction form
    6,993.57/10,481.13 = 3,705.78/x
  3. Step 3: Cross multiply
    6,993.57x = 10,481.13 × 3,705.78
  4. Step 4: Simplify right side
    6,993.57x = 38,840,761.93
  5. Step 5: Solve for x
    x = 38,840,761.93/6,993.57
  6. Step 6: Final answer
    x = 5,553.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.