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Finding the Fourth Proportional to 34.92, 48.29 and 33.31

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Solution

The fourth proportional to 34.92, 48.29 and 33.31 is: 46.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.92 : 48.29 = 33.31 : x
  2. Step 2: Convert to fraction form
    34.92/48.29 = 33.31/x
  3. Step 3: Cross multiply
    34.92x = 48.29 × 33.31
  4. Step 4: Simplify right side
    34.92x = 1,608.50
  5. Step 5: Solve for x
    x = 1,608.50/34.92
  6. Step 6: Final answer
    x = 46.06

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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.