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Finding the Fourth Proportional to 33, 49.44 and 25.77

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Solution

The fourth proportional to 33, 49.44 and 25.77 is: 38.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33 : 49.44 = 25.77 : x
  2. Step 2: Convert to fraction form
    33/49.44 = 25.77/x
  3. Step 3: Cross multiply
    33x = 49.44 × 25.77
  4. Step 4: Simplify right side
    33x = 1,274.07
  5. Step 5: Solve for x
    x = 1,274.07/33
  6. Step 6: Final answer
    x = 38.61

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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.