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Finding the Fourth Proportional to 4,944.36, 7,414.36 and 1,480.80

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Solution

The fourth proportional to 4,944.36, 7,414.36 and 1,480.80 is: 2,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.36 : 7,414.36 = 1,480.80 : x
  2. Step 2: Convert to fraction form
    4,944.36/7,414.36 = 1,480.80/x
  3. Step 3: Cross multiply
    4,944.36x = 7,414.36 × 1,480.80
  4. Step 4: Simplify right side
    4,944.36x = 10,979,184.29
  5. Step 5: Solve for x
    x = 10,979,184.29/4,944.36
  6. Step 6: Final answer
    x = 2,220.55

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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.