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Finding the Fourth Proportional to 33, 49.45 and 14.94

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Solution

The fourth proportional to 33, 49.45 and 14.94 is: 22.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33 : 49.45 = 14.94 : x
  2. Step 2: Convert to fraction form
    33/49.45 = 14.94/x
  3. Step 3: Cross multiply
    33x = 49.45 × 14.94
  4. Step 4: Simplify right side
    33x = 738.78
  5. Step 5: Solve for x
    x = 738.78/33
  6. Step 6: Final answer
    x = 22.39

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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.