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Finding the Fourth Proportional to 36,589.78, 50,493.90 and 19,822.78

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Solution

The fourth proportional to 36,589.78, 50,493.90 and 19,822.78 is: 27,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,589.78 : 50,493.90 = 19,822.78 : x
  2. Step 2: Convert to fraction form
    36,589.78/50,493.90 = 19,822.78/x
  3. Step 3: Cross multiply
    36,589.78x = 50,493.90 × 19,822.78
  4. Step 4: Simplify right side
    36,589.78x = 1,000,929,496.99
  5. Step 5: Solve for x
    x = 1,000,929,496.99/36,589.78
  6. Step 6: Final answer
    x = 27,355.44

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1.5x scale

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.