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Finding the Fourth Proportional to 7,379.44, 10,183.44 and 4,022.34

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Solution

The fourth proportional to 7,379.44, 10,183.44 and 4,022.34 is: 5,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.44 : 10,183.44 = 4,022.34 : x
  2. Step 2: Convert to fraction form
    7,379.44/10,183.44 = 4,022.34/x
  3. Step 3: Cross multiply
    7,379.44x = 10,183.44 × 4,022.34
  4. Step 4: Simplify right side
    7,379.44x = 40,961,258.05
  5. Step 5: Solve for x
    x = 40,961,258.05/7,379.44
  6. Step 6: Final answer
    x = 5,550.73

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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.