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Finding the Fourth Proportional to 53,864.40, 80,764.20 and 27,620.40

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Solution

The fourth proportional to 53,864.40, 80,764.20 and 27,620.40 is: 41,413.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,864.40 : 80,764.20 = 27,620.40 : x
  2. Step 2: Convert to fraction form
    53,864.40/80,764.20 = 27,620.40/x
  3. Step 3: Cross multiply
    53,864.40x = 80,764.20 × 27,620.40
  4. Step 4: Simplify right side
    53,864.40x = 2,230,739,509.68
  5. Step 5: Solve for x
    x = 2,230,739,509.68/53,864.40
  6. Step 6: Final answer
    x = 41,413.99

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