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Finding the Fourth Proportional to 13,327.56, 19,991.28 and 4,093.56

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Solution

The fourth proportional to 13,327.56, 19,991.28 and 4,093.56 is: 6,140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.56 : 19,991.28 = 4,093.56 : x
  2. Step 2: Convert to fraction form
    13,327.56/19,991.28 = 4,093.56/x
  3. Step 3: Cross multiply
    13,327.56x = 19,991.28 × 4,093.56
  4. Step 4: Simplify right side
    13,327.56x = 81,835,504.16
  5. Step 5: Solve for x
    x = 81,835,504.16/13,327.56
  6. Step 6: Final answer
    x = 6,140.32

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