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Finding the Fourth Proportional to 33.69, 50.50 and 25.10

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Solution

The fourth proportional to 33.69, 50.50 and 25.10 is: 37.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.69 : 50.50 = 25.10 : x
  2. Step 2: Convert to fraction form
    33.69/50.50 = 25.10/x
  3. Step 3: Cross multiply
    33.69x = 50.50 × 25.10
  4. Step 4: Simplify right side
    33.69x = 1,267.55
  5. Step 5: Solve for x
    x = 1,267.55/33.69
  6. Step 6: Final answer
    x = 37.62

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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.