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Finding the Fourth Proportional to 33.08, 45.57 and 26.19

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Solution

The fourth proportional to 33.08, 45.57 and 26.19 is: 36.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.08 : 45.57 = 26.19 : x
  2. Step 2: Convert to fraction form
    33.08/45.57 = 26.19/x
  3. Step 3: Cross multiply
    33.08x = 45.57 × 26.19
  4. Step 4: Simplify right side
    33.08x = 1,193.75
  5. Step 5: Solve for x
    x = 1,193.75/33.08
  6. Step 6: Final answer
    x = 36.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.