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Finding the Fourth Proportional to 33.04, 49.52 and 15.88

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Solution

The fourth proportional to 33.04, 49.52 and 15.88 is: 23.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.04 : 49.52 = 15.88 : x
  2. Step 2: Convert to fraction form
    33.04/49.52 = 15.88/x
  3. Step 3: Cross multiply
    33.04x = 49.52 × 15.88
  4. Step 4: Simplify right side
    33.04x = 786.38
  5. Step 5: Solve for x
    x = 786.38/33.04
  6. Step 6: Final answer
    x = 23.80

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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.