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Finding the Fourth Proportional to 9,517.97, 13,132.94 and 5,979.13

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Solution

The fourth proportional to 9,517.97, 13,132.94 and 5,979.13 is: 8,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.97 : 13,132.94 = 5,979.13 : x
  2. Step 2: Convert to fraction form
    9,517.97/13,132.94 = 5,979.13/x
  3. Step 3: Cross multiply
    9,517.97x = 13,132.94 × 5,979.13
  4. Step 4: Simplify right side
    9,517.97x = 78,523,511.28
  5. Step 5: Solve for x
    x = 78,523,511.28/9,517.97
  6. Step 6: Final answer
    x = 8,250.03

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1.5x scale

Why These Related Problems?

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