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Finding the Fourth Proportional to 20,583.86, 30,864.71 and 6,540.08

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Solution

The fourth proportional to 20,583.86, 30,864.71 and 6,540.08 is: 9,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.86 : 30,864.71 = 6,540.08 : x
  2. Step 2: Convert to fraction form
    20,583.86/30,864.71 = 6,540.08/x
  3. Step 3: Cross multiply
    20,583.86x = 30,864.71 × 6,540.08
  4. Step 4: Simplify right side
    20,583.86x = 201,857,534.60
  5. Step 5: Solve for x
    x = 201,857,534.60/20,583.86
  6. Step 6: Final answer
    x = 9,806.60

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