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Finding the Fourth Proportional to 3,399.10, 5,099.19 and 1,550.86

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Solution

The fourth proportional to 3,399.10, 5,099.19 and 1,550.86 is: 2,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.10 : 5,099.19 = 1,550.86 : x
  2. Step 2: Convert to fraction form
    3,399.10/5,099.19 = 1,550.86/x
  3. Step 3: Cross multiply
    3,399.10x = 5,099.19 × 1,550.86
  4. Step 4: Simplify right side
    3,399.10x = 7,908,129.80
  5. Step 5: Solve for x
    x = 7,908,129.80/3,399.10
  6. Step 6: Final answer
    x = 2,326.54

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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.