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Finding the Fourth Proportional to 9,163.97, 13,745.96 and 2,589.61

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Solution

The fourth proportional to 9,163.97, 13,745.96 and 2,589.61 is: 3,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.97 : 13,745.96 = 2,589.61 : x
  2. Step 2: Convert to fraction form
    9,163.97/13,745.96 = 2,589.61/x
  3. Step 3: Cross multiply
    9,163.97x = 13,745.96 × 2,589.61
  4. Step 4: Simplify right side
    9,163.97x = 35,596,593.80
  5. Step 5: Solve for x
    x = 35,596,593.80/9,163.97
  6. Step 6: Final answer
    x = 3,884.41

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Double scale
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Similar ratio
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1.5x scale

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.