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Finding the Fourth Proportional to 7,194.63, 10,793.31 and 2,811.81

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Solution

The fourth proportional to 7,194.63, 10,793.31 and 2,811.81 is: 4,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.63 : 10,793.31 = 2,811.81 : x
  2. Step 2: Convert to fraction form
    7,194.63/10,793.31 = 2,811.81/x
  3. Step 3: Cross multiply
    7,194.63x = 10,793.31 × 2,811.81
  4. Step 4: Simplify right side
    7,194.63x = 30,348,736.99
  5. Step 5: Solve for x
    x = 30,348,736.99/7,194.63
  6. Step 6: Final answer
    x = 4,218.25

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