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Finding the Fourth Proportional to 36.49, 54.47 and 33.46

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Solution

The fourth proportional to 36.49, 54.47 and 33.46 is: 49.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.49 : 54.47 = 33.46 : x
  2. Step 2: Convert to fraction form
    36.49/54.47 = 33.46/x
  3. Step 3: Cross multiply
    36.49x = 54.47 × 33.46
  4. Step 4: Simplify right side
    36.49x = 1,822.57
  5. Step 5: Solve for x
    x = 1,822.57/36.49
  6. Step 6: Final answer
    x = 49.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.