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Finding the Fourth Proportional to 17,822.80, 26,734.20 and 7,433.20

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Solution

The fourth proportional to 17,822.80, 26,734.20 and 7,433.20 is: 11,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,822.80 : 26,734.20 = 7,433.20 : x
  2. Step 2: Convert to fraction form
    17,822.80/26,734.20 = 7,433.20/x
  3. Step 3: Cross multiply
    17,822.80x = 26,734.20 × 7,433.20
  4. Step 4: Simplify right side
    17,822.80x = 198,720,655.44
  5. Step 5: Solve for x
    x = 198,720,655.44/17,822.80
  6. Step 6: Final answer
    x = 11,149.80

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