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Finding the Fourth Proportional to 3,447.92, 4,759.80 and 3,226.88

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Solution

The fourth proportional to 3,447.92, 4,759.80 and 3,226.88 is: 4,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.92 : 4,759.80 = 3,226.88 : x
  2. Step 2: Convert to fraction form
    3,447.92/4,759.80 = 3,226.88/x
  3. Step 3: Cross multiply
    3,447.92x = 4,759.80 × 3,226.88
  4. Step 4: Simplify right side
    3,447.92x = 15,359,303.42
  5. Step 5: Solve for x
    x = 15,359,303.42/3,447.92
  6. Step 6: Final answer
    x = 4,454.66

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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.