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Finding the Fourth Proportional to 18,550.38, 27,825.60 and 8,696.54

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Solution

The fourth proportional to 18,550.38, 27,825.60 and 8,696.54 is: 13,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.38 : 27,825.60 = 8,696.54 : x
  2. Step 2: Convert to fraction form
    18,550.38/27,825.60 = 8,696.54/x
  3. Step 3: Cross multiply
    18,550.38x = 27,825.60 × 8,696.54
  4. Step 4: Simplify right side
    18,550.38x = 241,986,443.42
  5. Step 5: Solve for x
    x = 241,986,443.42/18,550.38
  6. Step 6: Final answer
    x = 13,044.82

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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.