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Finding the Fourth Proportional to 2,393.97, 3,591.17 and 662.60

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Solution

The fourth proportional to 2,393.97, 3,591.17 and 662.60 is: 993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.97 : 3,591.17 = 662.60 : x
  2. Step 2: Convert to fraction form
    2,393.97/3,591.17 = 662.60/x
  3. Step 3: Cross multiply
    2,393.97x = 3,591.17 × 662.60
  4. Step 4: Simplify right side
    2,393.97x = 2,379,487.97
  5. Step 5: Solve for x
    x = 2,379,487.97/2,393.97
  6. Step 6: Final answer
    x = 993.95

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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.