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Finding the Fourth Proportional to 19,673.92, 27,149.32 and 10,721.24

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Solution

The fourth proportional to 19,673.92, 27,149.32 and 10,721.24 is: 14,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.92 : 27,149.32 = 10,721.24 : x
  2. Step 2: Convert to fraction form
    19,673.92/27,149.32 = 10,721.24/x
  3. Step 3: Cross multiply
    19,673.92x = 27,149.32 × 10,721.24
  4. Step 4: Simplify right side
    19,673.92x = 291,074,375.56
  5. Step 5: Solve for x
    x = 291,074,375.56/19,673.92
  6. Step 6: Final answer
    x = 14,794.94

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