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Finding the Fourth Proportional to 39,169.72, 58,696.24 and 21,644.56

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Solution

The fourth proportional to 39,169.72, 58,696.24 and 21,644.56 is: 32,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.72 : 58,696.24 = 21,644.56 : x
  2. Step 2: Convert to fraction form
    39,169.72/58,696.24 = 21,644.56/x
  3. Step 3: Cross multiply
    39,169.72x = 58,696.24 × 21,644.56
  4. Step 4: Simplify right side
    39,169.72x = 1,270,454,288.45
  5. Step 5: Solve for x
    x = 1,270,454,288.45/39,169.72
  6. Step 6: Final answer
    x = 32,434.60

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