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Finding the Fourth Proportional to 33.74, 50.59 and 25.19

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Solution

The fourth proportional to 33.74, 50.59 and 25.19 is: 37.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.74 : 50.59 = 25.19 : x
  2. Step 2: Convert to fraction form
    33.74/50.59 = 25.19/x
  3. Step 3: Cross multiply
    33.74x = 50.59 × 25.19
  4. Step 4: Simplify right side
    33.74x = 1,274.36
  5. Step 5: Solve for x
    x = 1,274.36/33.74
  6. Step 6: Final answer
    x = 37.77

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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.