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Finding the Fourth Proportional to 15,192.74, 22,791.54 and 6,872.42

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Solution

The fourth proportional to 15,192.74, 22,791.54 and 6,872.42 is: 10,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.74 : 22,791.54 = 6,872.42 : x
  2. Step 2: Convert to fraction form
    15,192.74/22,791.54 = 6,872.42/x
  3. Step 3: Cross multiply
    15,192.74x = 22,791.54 × 6,872.42
  4. Step 4: Simplify right side
    15,192.74x = 156,632,921.37
  5. Step 5: Solve for x
    x = 156,632,921.37/15,192.74
  6. Step 6: Final answer
    x = 10,309.73

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