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Finding the Fourth Proportional to 11,969.92, 17,955.02 and 3,204.72

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Solution

The fourth proportional to 11,969.92, 17,955.02 and 3,204.72 is: 4,807.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.92 : 17,955.02 = 3,204.72 : x
  2. Step 2: Convert to fraction form
    11,969.92/17,955.02 = 3,204.72/x
  3. Step 3: Cross multiply
    11,969.92x = 17,955.02 × 3,204.72
  4. Step 4: Simplify right side
    11,969.92x = 57,540,811.69
  5. Step 5: Solve for x
    x = 57,540,811.69/11,969.92
  6. Step 6: Final answer
    x = 4,807.12

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