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Finding the Fourth Proportional to 12,374.56, 18,571.56 and 6,831.73

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Solution

The fourth proportional to 12,374.56, 18,571.56 and 6,831.73 is: 10,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.56 : 18,571.56 = 6,831.73 : x
  2. Step 2: Convert to fraction form
    12,374.56/18,571.56 = 6,831.73/x
  3. Step 3: Cross multiply
    12,374.56x = 18,571.56 × 6,831.73
  4. Step 4: Simplify right side
    12,374.56x = 126,875,883.60
  5. Step 5: Solve for x
    x = 126,875,883.60/12,374.56
  6. Step 6: Final answer
    x = 10,252.96

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