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Finding the Fourth Proportional to 19,769.72, 27,275.46 and 12,208.16

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Solution

The fourth proportional to 19,769.72, 27,275.46 and 12,208.16 is: 16,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.72 : 27,275.46 = 12,208.16 : x
  2. Step 2: Convert to fraction form
    19,769.72/27,275.46 = 12,208.16/x
  3. Step 3: Cross multiply
    19,769.72x = 27,275.46 × 12,208.16
  4. Step 4: Simplify right side
    19,769.72x = 332,983,179.75
  5. Step 5: Solve for x
    x = 332,983,179.75/19,769.72
  6. Step 6: Final answer
    x = 16,843.09

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