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Finding the Fourth Proportional to 13,711.92, 20,566.28 and 3,852.05

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Solution

The fourth proportional to 13,711.92, 20,566.28 and 3,852.05 is: 5,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.92 : 20,566.28 = 3,852.05 : x
  2. Step 2: Convert to fraction form
    13,711.92/20,566.28 = 3,852.05/x
  3. Step 3: Cross multiply
    13,711.92x = 20,566.28 × 3,852.05
  4. Step 4: Simplify right side
    13,711.92x = 79,222,216.78
  5. Step 5: Solve for x
    x = 79,222,216.78/13,711.92
  6. Step 6: Final answer
    x = 5,777.62

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