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Finding the Fourth Proportional to 33.48, 49.86 and 33.03

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Solution

The fourth proportional to 33.48, 49.86 and 33.03 is: 49.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.48 : 49.86 = 33.03 : x
  2. Step 2: Convert to fraction form
    33.48/49.86 = 33.03/x
  3. Step 3: Cross multiply
    33.48x = 49.86 × 33.03
  4. Step 4: Simplify right side
    33.48x = 1,646.88
  5. Step 5: Solve for x
    x = 1,646.88/33.48
  6. Step 6: Final answer
    x = 49.19

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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.