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Finding the Fourth Proportional to 13,906.73, 20,862.36 and 4,544.03

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Solution

The fourth proportional to 13,906.73, 20,862.36 and 4,544.03 is: 6,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.73 : 20,862.36 = 4,544.03 : x
  2. Step 2: Convert to fraction form
    13,906.73/20,862.36 = 4,544.03/x
  3. Step 3: Cross multiply
    13,906.73x = 20,862.36 × 4,544.03
  4. Step 4: Simplify right side
    13,906.73x = 94,799,085.40
  5. Step 5: Solve for x
    x = 94,799,085.40/13,906.73
  6. Step 6: Final answer
    x = 6,816.78

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