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Finding the Fourth Proportional to 48,727.60, 73,091.40 and 11,791.60

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Solution

The fourth proportional to 48,727.60, 73,091.40 and 11,791.60 is: 17,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,727.60 : 73,091.40 = 11,791.60 : x
  2. Step 2: Convert to fraction form
    48,727.60/73,091.40 = 11,791.60/x
  3. Step 3: Cross multiply
    48,727.60x = 73,091.40 × 11,791.60
  4. Step 4: Simplify right side
    48,727.60x = 861,864,552.24
  5. Step 5: Solve for x
    x = 861,864,552.24/48,727.60
  6. Step 6: Final answer
    x = 17,687.40

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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.