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Finding the Fourth Proportional to 2,797.88, 4,196.68 and 850.24

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Solution

The fourth proportional to 2,797.88, 4,196.68 and 850.24 is: 1,275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.88 : 4,196.68 = 850.24 : x
  2. Step 2: Convert to fraction form
    2,797.88/4,196.68 = 850.24/x
  3. Step 3: Cross multiply
    2,797.88x = 4,196.68 × 850.24
  4. Step 4: Simplify right side
    2,797.88x = 3,568,185.20
  5. Step 5: Solve for x
    x = 3,568,185.20/2,797.88
  6. Step 6: Final answer
    x = 1,275.32

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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.