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Finding the Fourth Proportional to 33.07, 49.62 and 17.05

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Solution

The fourth proportional to 33.07, 49.62 and 17.05 is: 25.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.07 : 49.62 = 17.05 : x
  2. Step 2: Convert to fraction form
    33.07/49.62 = 17.05/x
  3. Step 3: Cross multiply
    33.07x = 49.62 × 17.05
  4. Step 4: Simplify right side
    33.07x = 846.02
  5. Step 5: Solve for x
    x = 846.02/33.07
  6. Step 6: Final answer
    x = 25.58

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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.