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Finding the Fourth Proportional to 8,583.22, 12,879.70 and 4,634.43

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Solution

The fourth proportional to 8,583.22, 12,879.70 and 4,634.43 is: 6,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.22 : 12,879.70 = 4,634.43 : x
  2. Step 2: Convert to fraction form
    8,583.22/12,879.70 = 4,634.43/x
  3. Step 3: Cross multiply
    8,583.22x = 12,879.70 × 4,634.43
  4. Step 4: Simplify right side
    8,583.22x = 59,690,068.07
  5. Step 5: Solve for x
    x = 59,690,068.07/8,583.22
  6. Step 6: Final answer
    x = 6,954.27

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