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Finding the Fourth Proportional to 33.94, 46.86 and 33.67

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Solution

The fourth proportional to 33.94, 46.86 and 33.67 is: 46.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.94 : 46.86 = 33.67 : x
  2. Step 2: Convert to fraction form
    33.94/46.86 = 33.67/x
  3. Step 3: Cross multiply
    33.94x = 46.86 × 33.67
  4. Step 4: Simplify right side
    33.94x = 1,577.78
  5. Step 5: Solve for x
    x = 1,577.78/33.94
  6. Step 6: Final answer
    x = 46.49

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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.