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Finding the Fourth Proportional to 9,229.57, 12,736.69 and 5,250.68

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Solution

The fourth proportional to 9,229.57, 12,736.69 and 5,250.68 is: 7,245.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.57 : 12,736.69 = 5,250.68 : x
  2. Step 2: Convert to fraction form
    9,229.57/12,736.69 = 5,250.68/x
  3. Step 3: Cross multiply
    9,229.57x = 12,736.69 × 5,250.68
  4. Step 4: Simplify right side
    9,229.57x = 66,876,219.77
  5. Step 5: Solve for x
    x = 66,876,219.77/9,229.57
  6. Step 6: Final answer
    x = 7,245.87

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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.