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Finding the Fourth Proportional to 26,195.99, 36,081.60 and 20,134.64

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Solution

The fourth proportional to 26,195.99, 36,081.60 and 20,134.64 is: 27,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,195.99 : 36,081.60 = 20,134.64 : x
  2. Step 2: Convert to fraction form
    26,195.99/36,081.60 = 20,134.64/x
  3. Step 3: Cross multiply
    26,195.99x = 36,081.60 × 20,134.64
  4. Step 4: Simplify right side
    26,195.99x = 726,489,906.02
  5. Step 5: Solve for x
    x = 726,489,906.02/26,195.99
  6. Step 6: Final answer
    x = 27,732.87

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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.