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Finding the Fourth Proportional to 20,050.79, 27,682.67 and 12,883.91

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Solution

The fourth proportional to 20,050.79, 27,682.67 and 12,883.91 is: 17,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.79 : 27,682.67 = 12,883.91 : x
  2. Step 2: Convert to fraction form
    20,050.79/27,682.67 = 12,883.91/x
  3. Step 3: Cross multiply
    20,050.79x = 27,682.67 × 12,883.91
  4. Step 4: Simplify right side
    20,050.79x = 356,660,964.42
  5. Step 5: Solve for x
    x = 356,660,964.42/20,050.79
  6. Step 6: Final answer
    x = 17,787.88

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