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Finding the Fourth Proportional to 33.01, 45.61 and 25.67

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Solution

The fourth proportional to 33.01, 45.61 and 25.67 is: 35.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.01 : 45.61 = 25.67 : x
  2. Step 2: Convert to fraction form
    33.01/45.61 = 25.67/x
  3. Step 3: Cross multiply
    33.01x = 45.61 × 25.67
  4. Step 4: Simplify right side
    33.01x = 1,170.81
  5. Step 5: Solve for x
    x = 1,170.81/33.01
  6. Step 6: Final answer
    x = 35.47

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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.