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Finding the Fourth Proportional to 26,443.80, 39,665.70 and 25,277.40

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Solution

The fourth proportional to 26,443.80, 39,665.70 and 25,277.40 is: 37,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.80 : 39,665.70 = 25,277.40 : x
  2. Step 2: Convert to fraction form
    26,443.80/39,665.70 = 25,277.40/x
  3. Step 3: Cross multiply
    26,443.80x = 39,665.70 × 25,277.40
  4. Step 4: Simplify right side
    26,443.80x = 1,002,645,765.18
  5. Step 5: Solve for x
    x = 1,002,645,765.18/26,443.80
  6. Step 6: Final answer
    x = 37,916.10

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