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Finding the Fourth Proportional to 53,371.20, 80,061.24 and 15,928.80

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Solution

The fourth proportional to 53,371.20, 80,061.24 and 15,928.80 is: 23,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,371.20 : 80,061.24 = 15,928.80 : x
  2. Step 2: Convert to fraction form
    53,371.20/80,061.24 = 15,928.80/x
  3. Step 3: Cross multiply
    53,371.20x = 80,061.24 × 15,928.80
  4. Step 4: Simplify right side
    53,371.20x = 1,275,279,479.71
  5. Step 5: Solve for x
    x = 1,275,279,479.71/53,371.20
  6. Step 6: Final answer
    x = 23,894.53

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