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Finding the Fourth Proportional to 26,976.98, 40,470.34 and 8,256.68

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Solution

The fourth proportional to 26,976.98, 40,470.34 and 8,256.68 is: 12,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,976.98 : 40,470.34 = 8,256.68 : x
  2. Step 2: Convert to fraction form
    26,976.98/40,470.34 = 8,256.68/x
  3. Step 3: Cross multiply
    26,976.98x = 40,470.34 × 8,256.68
  4. Step 4: Simplify right side
    26,976.98x = 334,150,646.87
  5. Step 5: Solve for x
    x = 334,150,646.87/26,976.98
  6. Step 6: Final answer
    x = 12,386.51

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