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Finding the Fourth Proportional to 5,194.67, 7,168.67 and 2,836.82

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Solution

The fourth proportional to 5,194.67, 7,168.67 and 2,836.82 is: 3,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.67 : 7,168.67 = 2,836.82 : x
  2. Step 2: Convert to fraction form
    5,194.67/7,168.67 = 2,836.82/x
  3. Step 3: Cross multiply
    5,194.67x = 7,168.67 × 2,836.82
  4. Step 4: Simplify right side
    5,194.67x = 20,336,197.68
  5. Step 5: Solve for x
    x = 20,336,197.68/5,194.67
  6. Step 6: Final answer
    x = 3,914.82

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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.