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Finding the Fourth Proportional to 20,100.56, 27,706.73 and 15,844.68

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Solution

The fourth proportional to 20,100.56, 27,706.73 and 15,844.68 is: 21,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.56 : 27,706.73 = 15,844.68 : x
  2. Step 2: Convert to fraction form
    20,100.56/27,706.73 = 15,844.68/x
  3. Step 3: Cross multiply
    20,100.56x = 27,706.73 × 15,844.68
  4. Step 4: Simplify right side
    20,100.56x = 439,004,191.47
  5. Step 5: Solve for x
    x = 439,004,191.47/20,100.56
  6. Step 6: Final answer
    x = 21,840.40

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