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Finding the Fourth Proportional to 4,674.78, 6,451.56 and 2,579.28

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Solution

The fourth proportional to 4,674.78, 6,451.56 and 2,579.28 is: 3,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.78 : 6,451.56 = 2,579.28 : x
  2. Step 2: Convert to fraction form
    4,674.78/6,451.56 = 2,579.28/x
  3. Step 3: Cross multiply
    4,674.78x = 6,451.56 × 2,579.28
  4. Step 4: Simplify right side
    4,674.78x = 16,640,379.68
  5. Step 5: Solve for x
    x = 16,640,379.68/4,674.78
  6. Step 6: Final answer
    x = 3,559.61

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