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Finding the Fourth Proportional to 3,968.26, 5,952.92 and 1,335.96

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Solution

The fourth proportional to 3,968.26, 5,952.92 and 1,335.96 is: 2,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.26 : 5,952.92 = 1,335.96 : x
  2. Step 2: Convert to fraction form
    3,968.26/5,952.92 = 1,335.96/x
  3. Step 3: Cross multiply
    3,968.26x = 5,952.92 × 1,335.96
  4. Step 4: Simplify right side
    3,968.26x = 7,952,863.00
  5. Step 5: Solve for x
    x = 7,952,863.00/3,968.26
  6. Step 6: Final answer
    x = 2,004.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.