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Finding the Fourth Proportional to 48,791.31, 73,178.79 and 17,193.92

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Solution

The fourth proportional to 48,791.31, 73,178.79 and 17,193.92 is: 25,788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,791.31 : 73,178.79 = 17,193.92 : x
  2. Step 2: Convert to fraction form
    48,791.31/73,178.79 = 17,193.92/x
  3. Step 3: Cross multiply
    48,791.31x = 73,178.79 × 17,193.92
  4. Step 4: Simplify right side
    48,791.31x = 1,258,230,338.93
  5. Step 5: Solve for x
    x = 1,258,230,338.93/48,791.31
  6. Step 6: Final answer
    x = 25,788.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.