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Finding the Fourth Proportional to 4,874.44, 6,728.88 and 3,195.88

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Solution

The fourth proportional to 4,874.44, 6,728.88 and 3,195.88 is: 4,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.44 : 6,728.88 = 3,195.88 : x
  2. Step 2: Convert to fraction form
    4,874.44/6,728.88 = 3,195.88/x
  3. Step 3: Cross multiply
    4,874.44x = 6,728.88 × 3,195.88
  4. Step 4: Simplify right side
    4,874.44x = 21,504,693.01
  5. Step 5: Solve for x
    x = 21,504,693.01/4,874.44
  6. Step 6: Final answer
    x = 4,411.73

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1.5x scale

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.