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Finding the Fourth Proportional to 3,883.86, 5,367.33 and 3,451.86

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Solution

The fourth proportional to 3,883.86, 5,367.33 and 3,451.86 is: 4,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.86 : 5,367.33 = 3,451.86 : x
  2. Step 2: Convert to fraction form
    3,883.86/5,367.33 = 3,451.86/x
  3. Step 3: Cross multiply
    3,883.86x = 5,367.33 × 3,451.86
  4. Step 4: Simplify right side
    3,883.86x = 18,527,271.73
  5. Step 5: Solve for x
    x = 18,527,271.73/3,883.86
  6. Step 6: Final answer
    x = 4,770.32

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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.