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Finding the Fourth Proportional to 33.55, 46.27 and 29.46

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Solution

The fourth proportional to 33.55, 46.27 and 29.46 is: 40.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.55 : 46.27 = 29.46 : x
  2. Step 2: Convert to fraction form
    33.55/46.27 = 29.46/x
  3. Step 3: Cross multiply
    33.55x = 46.27 × 29.46
  4. Step 4: Simplify right side
    33.55x = 1,362.81
  5. Step 5: Solve for x
    x = 1,362.81/33.55
  6. Step 6: Final answer
    x = 40.62

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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.