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Finding the Fourth Proportional to 11,922.76, 17,884.14 and 5,347.48

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Solution

The fourth proportional to 11,922.76, 17,884.14 and 5,347.48 is: 8,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.76 : 17,884.14 = 5,347.48 : x
  2. Step 2: Convert to fraction form
    11,922.76/17,884.14 = 5,347.48/x
  3. Step 3: Cross multiply
    11,922.76x = 17,884.14 × 5,347.48
  4. Step 4: Simplify right side
    11,922.76x = 95,635,080.97
  5. Step 5: Solve for x
    x = 95,635,080.97/11,922.76
  6. Step 6: Final answer
    x = 8,021.22

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