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Finding the Fourth Proportional to 3,968.93, 5,952.15 and 2,744.21

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Solution

The fourth proportional to 3,968.93, 5,952.15 and 2,744.21 is: 4,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.93 : 5,952.15 = 2,744.21 : x
  2. Step 2: Convert to fraction form
    3,968.93/5,952.15 = 2,744.21/x
  3. Step 3: Cross multiply
    3,968.93x = 5,952.15 × 2,744.21
  4. Step 4: Simplify right side
    3,968.93x = 16,333,919.79
  5. Step 5: Solve for x
    x = 16,333,919.79/3,968.93
  6. Step 6: Final answer
    x = 4,115.45

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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.