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Finding the Fourth Proportional to 5,304, 7,958.88 and 2,568

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Solution

The fourth proportional to 5,304, 7,958.88 and 2,568 is: 3,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304 : 7,958.88 = 2,568 : x
  2. Step 2: Convert to fraction form
    5,304/7,958.88 = 2,568/x
  3. Step 3: Cross multiply
    5,304x = 7,958.88 × 2,568
  4. Step 4: Simplify right side
    5,304x = 20,438,403.84
  5. Step 5: Solve for x
    x = 20,438,403.84/5,304
  6. Step 6: Final answer
    x = 3,853.39

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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.