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Finding the Fourth Proportional to 6,398.19, 9,600.93 and 2,239.09

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Solution

The fourth proportional to 6,398.19, 9,600.93 and 2,239.09 is: 3,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.19 : 9,600.93 = 2,239.09 : x
  2. Step 2: Convert to fraction form
    6,398.19/9,600.93 = 2,239.09/x
  3. Step 3: Cross multiply
    6,398.19x = 9,600.93 × 2,239.09
  4. Step 4: Simplify right side
    6,398.19x = 21,497,376.36
  5. Step 5: Solve for x
    x = 21,497,376.36/6,398.19
  6. Step 6: Final answer
    x = 3,359.92

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