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Finding the Fourth Proportional to 35,171.28, 48,540.28 and 20,067.68

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Solution

The fourth proportional to 35,171.28, 48,540.28 and 20,067.68 is: 27,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,171.28 : 48,540.28 = 20,067.68 : x
  2. Step 2: Convert to fraction form
    35,171.28/48,540.28 = 20,067.68/x
  3. Step 3: Cross multiply
    35,171.28x = 48,540.28 × 20,067.68
  4. Step 4: Simplify right side
    35,171.28x = 974,090,806.15
  5. Step 5: Solve for x
    x = 974,090,806.15/35,171.28
  6. Step 6: Final answer
    x = 27,695.63

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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.