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Finding the Fourth Proportional to 3,393.50, 4,683.03 and 3,199.10

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Solution

The fourth proportional to 3,393.50, 4,683.03 and 3,199.10 is: 4,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.50 : 4,683.03 = 3,199.10 : x
  2. Step 2: Convert to fraction form
    3,393.50/4,683.03 = 3,199.10/x
  3. Step 3: Cross multiply
    3,393.50x = 4,683.03 × 3,199.10
  4. Step 4: Simplify right side
    3,393.50x = 14,981,481.27
  5. Step 5: Solve for x
    x = 14,981,481.27/3,393.50
  6. Step 6: Final answer
    x = 4,414.76

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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.