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Finding the Fourth Proportional to 8,111.73, 12,167.60 and 1,955.73

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Solution

The fourth proportional to 8,111.73, 12,167.60 and 1,955.73 is: 2,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.73 : 12,167.60 = 1,955.73 : x
  2. Step 2: Convert to fraction form
    8,111.73/12,167.60 = 1,955.73/x
  3. Step 3: Cross multiply
    8,111.73x = 12,167.60 × 1,955.73
  4. Step 4: Simplify right side
    8,111.73x = 23,796,540.35
  5. Step 5: Solve for x
    x = 23,796,540.35/8,111.73
  6. Step 6: Final answer
    x = 2,933.60

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