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Finding the Fourth Proportional to 20,566.80, 30,850.20 and 8,082.68

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Solution

The fourth proportional to 20,566.80, 30,850.20 and 8,082.68 is: 12,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.80 : 30,850.20 = 8,082.68 : x
  2. Step 2: Convert to fraction form
    20,566.80/30,850.20 = 8,082.68/x
  3. Step 3: Cross multiply
    20,566.80x = 30,850.20 × 8,082.68
  4. Step 4: Simplify right side
    20,566.80x = 249,352,140.29
  5. Step 5: Solve for x
    x = 249,352,140.29/20,566.80
  6. Step 6: Final answer
    x = 12,124.01

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