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Finding the Fourth Proportional to 9,757.31, 14,638.69 and 3,918.02

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Solution

The fourth proportional to 9,757.31, 14,638.69 and 3,918.02 is: 5,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,757.31 : 14,638.69 = 3,918.02 : x
  2. Step 2: Convert to fraction form
    9,757.31/14,638.69 = 3,918.02/x
  3. Step 3: Cross multiply
    9,757.31x = 14,638.69 × 3,918.02
  4. Step 4: Simplify right side
    9,757.31x = 57,354,611.90
  5. Step 5: Solve for x
    x = 57,354,611.90/9,757.31
  6. Step 6: Final answer
    x = 5,878.12

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