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Finding the Fourth Proportional to 33.99, 46.90 and 19.44

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Solution

The fourth proportional to 33.99, 46.90 and 19.44 is: 26.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.99 : 46.90 = 19.44 : x
  2. Step 2: Convert to fraction form
    33.99/46.90 = 19.44/x
  3. Step 3: Cross multiply
    33.99x = 46.90 × 19.44
  4. Step 4: Simplify right side
    33.99x = 911.40
  5. Step 5: Solve for x
    x = 911.40/33.99
  6. Step 6: Final answer
    x = 26.81

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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.