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Finding the Fourth Proportional to 6,469.20, 9,682.20 and 4,525.20

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Solution

The fourth proportional to 6,469.20, 9,682.20 and 4,525.20 is: 6,772.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.20 : 9,682.20 = 4,525.20 : x
  2. Step 2: Convert to fraction form
    6,469.20/9,682.20 = 4,525.20/x
  3. Step 3: Cross multiply
    6,469.20x = 9,682.20 × 4,525.20
  4. Step 4: Simplify right side
    6,469.20x = 43,813,891.44
  5. Step 5: Solve for x
    x = 43,813,891.44/6,469.20
  6. Step 6: Final answer
    x = 6,772.69

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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.