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Finding the Fourth Proportional to 50,993.70, 76,425.64 and 28,819.44

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Solution

The fourth proportional to 50,993.70, 76,425.64 and 28,819.44 is: 43,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,993.70 : 76,425.64 = 28,819.44 : x
  2. Step 2: Convert to fraction form
    50,993.70/76,425.64 = 28,819.44/x
  3. Step 3: Cross multiply
    50,993.70x = 76,425.64 × 28,819.44
  4. Step 4: Simplify right side
    50,993.70x = 2,202,544,146.44
  5. Step 5: Solve for x
    x = 2,202,544,146.44/50,993.70
  6. Step 6: Final answer
    x = 43,192.48

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1.5x scale

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.