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Finding the Fourth Proportional to 7,902.24, 11,851.20 and 2,974.56

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Solution

The fourth proportional to 7,902.24, 11,851.20 and 2,974.56 is: 4,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.24 : 11,851.20 = 2,974.56 : x
  2. Step 2: Convert to fraction form
    7,902.24/11,851.20 = 2,974.56/x
  3. Step 3: Cross multiply
    7,902.24x = 11,851.20 × 2,974.56
  4. Step 4: Simplify right side
    7,902.24x = 35,252,105.47
  5. Step 5: Solve for x
    x = 35,252,105.47/7,902.24
  6. Step 6: Final answer
    x = 4,461.03

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