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Finding the Fourth Proportional to 18,563.51, 27,844.81 and 5,416.00

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Solution

The fourth proportional to 18,563.51, 27,844.81 and 5,416.00 is: 8,123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.51 : 27,844.81 = 5,416.00 : x
  2. Step 2: Convert to fraction form
    18,563.51/27,844.81 = 5,416.00/x
  3. Step 3: Cross multiply
    18,563.51x = 27,844.81 × 5,416.00
  4. Step 4: Simplify right side
    18,563.51x = 150,807,407.81
  5. Step 5: Solve for x
    x = 150,807,407.81/18,563.51
  6. Step 6: Final answer
    x = 8,123.86

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