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Finding the Fourth Proportional to 26,799.92, 40,201.80 and 7,078.28

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Solution

The fourth proportional to 26,799.92, 40,201.80 and 7,078.28 is: 10,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,799.92 : 40,201.80 = 7,078.28 : x
  2. Step 2: Convert to fraction form
    26,799.92/40,201.80 = 7,078.28/x
  3. Step 3: Cross multiply
    26,799.92x = 40,201.80 × 7,078.28
  4. Step 4: Simplify right side
    26,799.92x = 284,559,596.90
  5. Step 5: Solve for x
    x = 284,559,596.90/26,799.92
  6. Step 6: Final answer
    x = 10,617.93

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