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Finding the Fourth Proportional to 46.26, 63.90 and 33.17

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Solution

The fourth proportional to 46.26, 63.90 and 33.17 is: 45.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.26 : 63.90 = 33.17 : x
  2. Step 2: Convert to fraction form
    46.26/63.90 = 33.17/x
  3. Step 3: Cross multiply
    46.26x = 63.90 × 33.17
  4. Step 4: Simplify right side
    46.26x = 2,119.24
  5. Step 5: Solve for x
    x = 2,119.24/46.26
  6. Step 6: Final answer
    x = 45.81

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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.