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Finding the Fourth Proportional to 4,906.60, 6,747.78 and 4,517.80

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Solution

The fourth proportional to 4,906.60, 6,747.78 and 4,517.80 is: 6,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.60 : 6,747.78 = 4,517.80 : x
  2. Step 2: Convert to fraction form
    4,906.60/6,747.78 = 4,517.80/x
  3. Step 3: Cross multiply
    4,906.60x = 6,747.78 × 4,517.80
  4. Step 4: Simplify right side
    4,906.60x = 30,485,120.48
  5. Step 5: Solve for x
    x = 30,485,120.48/4,906.60
  6. Step 6: Final answer
    x = 6,213.08

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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.