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Finding the Fourth Proportional to 33,985, 50,997.66 and 15,518.44

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Solution

The fourth proportional to 33,985, 50,997.66 and 15,518.44 is: 23,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,985 : 50,997.66 = 15,518.44 : x
  2. Step 2: Convert to fraction form
    33,985/50,997.66 = 15,518.44/x
  3. Step 3: Cross multiply
    33,985x = 50,997.66 × 15,518.44
  4. Step 4: Simplify right side
    33,985x = 791,404,126.85
  5. Step 5: Solve for x
    x = 791,404,126.85/33,985
  6. Step 6: Final answer
    x = 23,286.87

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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.