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Finding the Fourth Proportional to 4,995.87, 7,489.54 and 3,049.44

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Solution

The fourth proportional to 4,995.87, 7,489.54 and 3,049.44 is: 4,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.87 : 7,489.54 = 3,049.44 : x
  2. Step 2: Convert to fraction form
    4,995.87/7,489.54 = 3,049.44/x
  3. Step 3: Cross multiply
    4,995.87x = 7,489.54 × 3,049.44
  4. Step 4: Simplify right side
    4,995.87x = 22,838,902.86
  5. Step 5: Solve for x
    x = 22,838,902.86/4,995.87
  6. Step 6: Final answer
    x = 4,571.56

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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.