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Finding the Fourth Proportional to 7,876.54, 11,814.56 and 3,196.41

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Solution

The fourth proportional to 7,876.54, 11,814.56 and 3,196.41 is: 4,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.54 : 11,814.56 = 3,196.41 : x
  2. Step 2: Convert to fraction form
    7,876.54/11,814.56 = 3,196.41/x
  3. Step 3: Cross multiply
    7,876.54x = 11,814.56 × 3,196.41
  4. Step 4: Simplify right side
    7,876.54x = 37,764,195.89
  5. Step 5: Solve for x
    x = 37,764,195.89/7,876.54
  6. Step 6: Final answer
    x = 4,794.52

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