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Finding the Fourth Proportional to 2,050.44, 3,074.90 and 663.41

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Solution

The fourth proportional to 2,050.44, 3,074.90 and 663.41 is: 994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.44 : 3,074.90 = 663.41 : x
  2. Step 2: Convert to fraction form
    2,050.44/3,074.90 = 663.41/x
  3. Step 3: Cross multiply
    2,050.44x = 3,074.90 × 663.41
  4. Step 4: Simplify right side
    2,050.44x = 2,039,923.78
  5. Step 5: Solve for x
    x = 2,039,923.78/2,050.44
  6. Step 6: Final answer
    x = 994.87

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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.