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Finding the Fourth Proportional to 35.49, 48.87 and 33.44

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Solution

The fourth proportional to 35.49, 48.87 and 33.44 is: 46.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.49 : 48.87 = 33.44 : x
  2. Step 2: Convert to fraction form
    35.49/48.87 = 33.44/x
  3. Step 3: Cross multiply
    35.49x = 48.87 × 33.44
  4. Step 4: Simplify right side
    35.49x = 1,634.33
  5. Step 5: Solve for x
    x = 1,634.33/35.49
  6. Step 6: Final answer
    x = 46.05

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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.