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Finding the Fourth Proportional to 2,944.20, 4,416.15 and 996.42

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Solution

The fourth proportional to 2,944.20, 4,416.15 and 996.42 is: 1,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.20 : 4,416.15 = 996.42 : x
  2. Step 2: Convert to fraction form
    2,944.20/4,416.15 = 996.42/x
  3. Step 3: Cross multiply
    2,944.20x = 4,416.15 × 996.42
  4. Step 4: Simplify right side
    2,944.20x = 4,400,340.18
  5. Step 5: Solve for x
    x = 4,400,340.18/2,944.20
  6. Step 6: Final answer
    x = 1,494.58

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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.