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Finding the Fourth Proportional to 8,326.22, 12,491.75 and 3,394.94

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Solution

The fourth proportional to 8,326.22, 12,491.75 and 3,394.94 is: 5,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.22 : 12,491.75 = 3,394.94 : x
  2. Step 2: Convert to fraction form
    8,326.22/12,491.75 = 3,394.94/x
  3. Step 3: Cross multiply
    8,326.22x = 12,491.75 × 3,394.94
  4. Step 4: Simplify right side
    8,326.22x = 42,408,687.77
  5. Step 5: Solve for x
    x = 42,408,687.77/8,326.22
  6. Step 6: Final answer
    x = 5,093.39

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