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Finding the Fourth Proportional to 31,343.53, 47,015.60 and 7,969.97

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Solution

The fourth proportional to 31,343.53, 47,015.60 and 7,969.97 is: 11,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,343.53 : 47,015.60 = 7,969.97 : x
  2. Step 2: Convert to fraction form
    31,343.53/47,015.60 = 7,969.97/x
  3. Step 3: Cross multiply
    31,343.53x = 47,015.60 × 7,969.97
  4. Step 4: Simplify right side
    31,343.53x = 374,712,921.53
  5. Step 5: Solve for x
    x = 374,712,921.53/31,343.53
  6. Step 6: Final answer
    x = 11,955.03

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