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Finding the Fourth Proportional to 7,230.82, 10,846.71 and 2,790.60

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Solution

The fourth proportional to 7,230.82, 10,846.71 and 2,790.60 is: 4,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.82 : 10,846.71 = 2,790.60 : x
  2. Step 2: Convert to fraction form
    7,230.82/10,846.71 = 2,790.60/x
  3. Step 3: Cross multiply
    7,230.82x = 10,846.71 × 2,790.60
  4. Step 4: Simplify right side
    7,230.82x = 30,268,849.26
  5. Step 5: Solve for x
    x = 30,268,849.26/7,230.82
  6. Step 6: Final answer
    x = 4,186.09

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