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Finding the Fourth Proportional to 2,797.75, 4,196.63 and 850.11

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Solution

The fourth proportional to 2,797.75, 4,196.63 and 850.11 is: 1,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.75 : 4,196.63 = 850.11 : x
  2. Step 2: Convert to fraction form
    2,797.75/4,196.63 = 850.11/x
  3. Step 3: Cross multiply
    2,797.75x = 4,196.63 × 850.11
  4. Step 4: Simplify right side
    2,797.75x = 3,567,597.13
  5. Step 5: Solve for x
    x = 3,567,597.13/2,797.75
  6. Step 6: Final answer
    x = 1,275.17

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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.