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Finding the Fourth Proportional to 35,251.20, 52,860.60 and 15,519.60

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Solution

The fourth proportional to 35,251.20, 52,860.60 and 15,519.60 is: 23,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,251.20 : 52,860.60 = 15,519.60 : x
  2. Step 2: Convert to fraction form
    35,251.20/52,860.60 = 15,519.60/x
  3. Step 3: Cross multiply
    35,251.20x = 52,860.60 × 15,519.60
  4. Step 4: Simplify right side
    35,251.20x = 820,375,367.76
  5. Step 5: Solve for x
    x = 820,375,367.76/35,251.20
  6. Step 6: Final answer
    x = 23,272.27

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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.