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Finding the Fourth Proportional to 26,876.60, 40,314.90 and 16,983.80

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Solution

The fourth proportional to 26,876.60, 40,314.90 and 16,983.80 is: 25,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,876.60 : 40,314.90 = 16,983.80 : x
  2. Step 2: Convert to fraction form
    26,876.60/40,314.90 = 16,983.80/x
  3. Step 3: Cross multiply
    26,876.60x = 40,314.90 × 16,983.80
  4. Step 4: Simplify right side
    26,876.60x = 684,700,198.62
  5. Step 5: Solve for x
    x = 684,700,198.62/26,876.60
  6. Step 6: Final answer
    x = 25,475.70

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