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Finding the Fourth Proportional to 33.04, 49.62 and 19.60

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Solution

The fourth proportional to 33.04, 49.62 and 19.60 is: 29.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.04 : 49.62 = 19.60 : x
  2. Step 2: Convert to fraction form
    33.04/49.62 = 19.60/x
  3. Step 3: Cross multiply
    33.04x = 49.62 × 19.60
  4. Step 4: Simplify right side
    33.04x = 972.55
  5. Step 5: Solve for x
    x = 972.55/33.04
  6. Step 6: Final answer
    x = 29.44

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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.