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Finding the Fourth Proportional to 31,343.97, 43,230.24 and 19,413.93

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Solution

The fourth proportional to 31,343.97, 43,230.24 and 19,413.93 is: 26,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,343.97 : 43,230.24 = 19,413.93 : x
  2. Step 2: Convert to fraction form
    31,343.97/43,230.24 = 19,413.93/x
  3. Step 3: Cross multiply
    31,343.97x = 43,230.24 × 19,413.93
  4. Step 4: Simplify right side
    31,343.97x = 839,268,853.24
  5. Step 5: Solve for x
    x = 839,268,853.24/31,343.97
  6. Step 6: Final answer
    x = 26,776.09

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