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Finding the Fourth Proportional to 2,872.44, 4,304.88 and 2,548.44

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Solution

The fourth proportional to 2,872.44, 4,304.88 and 2,548.44 is: 3,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.44 : 4,304.88 = 2,548.44 : x
  2. Step 2: Convert to fraction form
    2,872.44/4,304.88 = 2,548.44/x
  3. Step 3: Cross multiply
    2,872.44x = 4,304.88 × 2,548.44
  4. Step 4: Simplify right side
    2,872.44x = 10,970,728.39
  5. Step 5: Solve for x
    x = 10,970,728.39/2,872.44
  6. Step 6: Final answer
    x = 3,819.31

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1.5x scale

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.