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Finding the Fourth Proportional to 23,093.91, 31,868.91 and 13,022.64

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Solution

The fourth proportional to 23,093.91, 31,868.91 and 13,022.64 is: 17,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,093.91 : 31,868.91 = 13,022.64 : x
  2. Step 2: Convert to fraction form
    23,093.91/31,868.91 = 13,022.64/x
  3. Step 3: Cross multiply
    23,093.91x = 31,868.91 × 13,022.64
  4. Step 4: Simplify right side
    23,093.91x = 415,017,342.12
  5. Step 5: Solve for x
    x = 415,017,342.12/23,093.91
  6. Step 6: Final answer
    x = 17,970.86

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