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Finding the Fourth Proportional to 37,286.80, 51,454.28 and 21,360.20

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Solution

The fourth proportional to 37,286.80, 51,454.28 and 21,360.20 is: 29,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.80 : 51,454.28 = 21,360.20 : x
  2. Step 2: Convert to fraction form
    37,286.80/51,454.28 = 21,360.20/x
  3. Step 3: Cross multiply
    37,286.80x = 51,454.28 × 21,360.20
  4. Step 4: Simplify right side
    37,286.80x = 1,099,073,711.66
  5. Step 5: Solve for x
    x = 1,099,073,711.66/37,286.80
  6. Step 6: Final answer
    x = 29,476.21

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