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Finding the Fourth Proportional to 5,949.45, 8,217.25 and 3,956.45

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Solution

The fourth proportional to 5,949.45, 8,217.25 and 3,956.45 is: 5,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,949.45 : 8,217.25 = 3,956.45 : x
  2. Step 2: Convert to fraction form
    5,949.45/8,217.25 = 3,956.45/x
  3. Step 3: Cross multiply
    5,949.45x = 8,217.25 × 3,956.45
  4. Step 4: Simplify right side
    5,949.45x = 32,511,087.79
  5. Step 5: Solve for x
    x = 32,511,087.79/5,949.45
  6. Step 6: Final answer
    x = 5,464.55

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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.