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Finding the Fourth Proportional to 4,616.52, 6,372.12 and 2,728.42

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Solution

The fourth proportional to 4,616.52, 6,372.12 and 2,728.42 is: 3,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,616.52 : 6,372.12 = 2,728.42 : x
  2. Step 2: Convert to fraction form
    4,616.52/6,372.12 = 2,728.42/x
  3. Step 3: Cross multiply
    4,616.52x = 6,372.12 × 2,728.42
  4. Step 4: Simplify right side
    4,616.52x = 17,385,819.65
  5. Step 5: Solve for x
    x = 17,385,819.65/4,616.52
  6. Step 6: Final answer
    x = 3,766.00

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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.