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Finding the Fourth Proportional to 52,794.88, 72,858.75 and 28,921.55

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Solution

The fourth proportional to 52,794.88, 72,858.75 and 28,921.55 is: 39,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,794.88 : 72,858.75 = 28,921.55 : x
  2. Step 2: Convert to fraction form
    52,794.88/72,858.75 = 28,921.55/x
  3. Step 3: Cross multiply
    52,794.88x = 72,858.75 × 28,921.55
  4. Step 4: Simplify right side
    52,794.88x = 2,107,187,836.45
  5. Step 5: Solve for x
    x = 2,107,187,836.45/52,794.88
  6. Step 6: Final answer
    x = 39,912.73

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