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Finding the Fourth Proportional to 20,044.92, 27,645.21 and 15,020.94

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Solution

The fourth proportional to 20,044.92, 27,645.21 and 15,020.94 is: 20,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.92 : 27,645.21 = 15,020.94 : x
  2. Step 2: Convert to fraction form
    20,044.92/27,645.21 = 15,020.94/x
  3. Step 3: Cross multiply
    20,044.92x = 27,645.21 × 15,020.94
  4. Step 4: Simplify right side
    20,044.92x = 415,257,040.70
  5. Step 5: Solve for x
    x = 415,257,040.70/20,044.92
  6. Step 6: Final answer
    x = 20,716.32

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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.