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Finding the Fourth Proportional to 6,797.78, 10,196.73 and 2,180.78

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Solution

The fourth proportional to 6,797.78, 10,196.73 and 2,180.78 is: 3,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,797.78 : 10,196.73 = 2,180.78 : x
  2. Step 2: Convert to fraction form
    6,797.78/10,196.73 = 2,180.78/x
  3. Step 3: Cross multiply
    6,797.78x = 10,196.73 × 2,180.78
  4. Step 4: Simplify right side
    6,797.78x = 22,236,824.85
  5. Step 5: Solve for x
    x = 22,236,824.85/6,797.78
  6. Step 6: Final answer
    x = 3,271.19

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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.