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Finding the Fourth Proportional to 29,932.80, 44,850.60 and 18,819.60

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Solution

The fourth proportional to 29,932.80, 44,850.60 and 18,819.60 is: 28,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,932.80 : 44,850.60 = 18,819.60 : x
  2. Step 2: Convert to fraction form
    29,932.80/44,850.60 = 18,819.60/x
  3. Step 3: Cross multiply
    29,932.80x = 44,850.60 × 18,819.60
  4. Step 4: Simplify right side
    29,932.80x = 844,070,351.76
  5. Step 5: Solve for x
    x = 844,070,351.76/29,932.80
  6. Step 6: Final answer
    x = 28,198.84

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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.