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Finding the Fourth Proportional to 35.91, 49.49 and 33

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Solution

The fourth proportional to 35.91, 49.49 and 33 is: 45.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.91 : 49.49 = 33 : x
  2. Step 2: Convert to fraction form
    35.91/49.49 = 33/x
  3. Step 3: Cross multiply
    35.91x = 49.49 × 33
  4. Step 4: Simplify right side
    35.91x = 1,633.01
  5. Step 5: Solve for x
    x = 1,633.01/35.91
  6. Step 6: Final answer
    x = 45.47

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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.