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Finding the Fourth Proportional to 38,997.33, 58,500.09 and 12,704.12

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Solution

The fourth proportional to 38,997.33, 58,500.09 and 12,704.12 is: 19,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,997.33 : 58,500.09 = 12,704.12 : x
  2. Step 2: Convert to fraction form
    38,997.33/58,500.09 = 12,704.12/x
  3. Step 3: Cross multiply
    38,997.33x = 58,500.09 × 12,704.12
  4. Step 4: Simplify right side
    38,997.33x = 743,192,163.37
  5. Step 5: Solve for x
    x = 743,192,163.37/38,997.33
  6. Step 6: Final answer
    x = 19,057.51

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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.