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Finding the Fourth Proportional to 12,110.79, 18,167.22 and 3,345.70

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Solution

The fourth proportional to 12,110.79, 18,167.22 and 3,345.70 is: 5,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.79 : 18,167.22 = 3,345.70 : x
  2. Step 2: Convert to fraction form
    12,110.79/18,167.22 = 3,345.70/x
  3. Step 3: Cross multiply
    12,110.79x = 18,167.22 × 3,345.70
  4. Step 4: Simplify right side
    12,110.79x = 60,782,067.95
  5. Step 5: Solve for x
    x = 60,782,067.95/12,110.79
  6. Step 6: Final answer
    x = 5,018.84

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