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Finding the Fourth Proportional to 5,183.96, 7,760.96 and 4,649.80

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Solution

The fourth proportional to 5,183.96, 7,760.96 and 4,649.80 is: 6,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.96 : 7,760.96 = 4,649.80 : x
  2. Step 2: Convert to fraction form
    5,183.96/7,760.96 = 4,649.80/x
  3. Step 3: Cross multiply
    5,183.96x = 7,760.96 × 4,649.80
  4. Step 4: Simplify right side
    5,183.96x = 36,086,911.81
  5. Step 5: Solve for x
    x = 36,086,911.81/5,183.96
  6. Step 6: Final answer
    x = 6,961.26

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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.