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Finding the Fourth Proportional to 28,704.70, 43,020.60 and 25,424.20

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Solution

The fourth proportional to 28,704.70, 43,020.60 and 25,424.20 is: 38,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.70 : 43,020.60 = 25,424.20 : x
  2. Step 2: Convert to fraction form
    28,704.70/43,020.60 = 25,424.20/x
  3. Step 3: Cross multiply
    28,704.70x = 43,020.60 × 25,424.20
  4. Step 4: Simplify right side
    28,704.70x = 1,093,764,338.52
  5. Step 5: Solve for x
    x = 1,093,764,338.52/28,704.70
  6. Step 6: Final answer
    x = 38,104.02

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