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Finding the Fourth Proportional to 33.53, 46.29 and 31.83

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Solution

The fourth proportional to 33.53, 46.29 and 31.83 is: 43.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.53 : 46.29 = 31.83 : x
  2. Step 2: Convert to fraction form
    33.53/46.29 = 31.83/x
  3. Step 3: Cross multiply
    33.53x = 46.29 × 31.83
  4. Step 4: Simplify right side
    33.53x = 1,473.02
  5. Step 5: Solve for x
    x = 1,473.02/33.53
  6. Step 6: Final answer
    x = 43.93

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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.