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Finding the Fourth Proportional to 6,408.72, 9,602.52 and 3,938.33

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Solution

The fourth proportional to 6,408.72, 9,602.52 and 3,938.33 is: 5,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.72 : 9,602.52 = 3,938.33 : x
  2. Step 2: Convert to fraction form
    6,408.72/9,602.52 = 3,938.33/x
  3. Step 3: Cross multiply
    6,408.72x = 9,602.52 × 3,938.33
  4. Step 4: Simplify right side
    6,408.72x = 37,817,844.58
  5. Step 5: Solve for x
    x = 37,817,844.58/6,408.72
  6. Step 6: Final answer
    x = 5,901.00

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