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Finding the Fourth Proportional to 4,251.32, 5,867.88 and 3,306.88

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Solution

The fourth proportional to 4,251.32, 5,867.88 and 3,306.88 is: 4,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.32 : 5,867.88 = 3,306.88 : x
  2. Step 2: Convert to fraction form
    4,251.32/5,867.88 = 3,306.88/x
  3. Step 3: Cross multiply
    4,251.32x = 5,867.88 × 3,306.88
  4. Step 4: Simplify right side
    4,251.32x = 19,404,375.01
  5. Step 5: Solve for x
    x = 19,404,375.01/4,251.32
  6. Step 6: Final answer
    x = 4,564.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.