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Finding the Fourth Proportional to 5,200.28, 7,175.22 and 3,104

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Solution

The fourth proportional to 5,200.28, 7,175.22 and 3,104 is: 4,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.28 : 7,175.22 = 3,104 : x
  2. Step 2: Convert to fraction form
    5,200.28/7,175.22 = 3,104/x
  3. Step 3: Cross multiply
    5,200.28x = 7,175.22 × 3,104
  4. Step 4: Simplify right side
    5,200.28x = 22,271,882.88
  5. Step 5: Solve for x
    x = 22,271,882.88/5,200.28
  6. Step 6: Final answer
    x = 4,282.82

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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.