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Finding the Fourth Proportional to 12,071, 18,105.68 and 3,306

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Solution

The fourth proportional to 12,071, 18,105.68 and 3,306 is: 4,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071 : 18,105.68 = 3,306 : x
  2. Step 2: Convert to fraction form
    12,071/18,105.68 = 3,306/x
  3. Step 3: Cross multiply
    12,071x = 18,105.68 × 3,306
  4. Step 4: Simplify right side
    12,071x = 59,857,378.08
  5. Step 5: Solve for x
    x = 59,857,378.08/12,071
  6. Step 6: Final answer
    x = 4,958.78

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