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Finding the Fourth Proportional to 17,962.31, 24,790.92 and 13,705.31

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Solution

The fourth proportional to 17,962.31, 24,790.92 and 13,705.31 is: 18,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,962.31 : 24,790.92 = 13,705.31 : x
  2. Step 2: Convert to fraction form
    17,962.31/24,790.92 = 13,705.31/x
  3. Step 3: Cross multiply
    17,962.31x = 24,790.92 × 13,705.31
  4. Step 4: Simplify right side
    17,962.31x = 339,767,243.79
  5. Step 5: Solve for x
    x = 339,767,243.79/17,962.31
  6. Step 6: Final answer
    x = 18,915.57

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