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Finding the Fourth Proportional to 30.92, 46.38 and 23.37

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Solution

The fourth proportional to 30.92, 46.38 and 23.37 is: 35.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30.92 : 46.38 = 23.37 : x
  2. Step 2: Convert to fraction form
    30.92/46.38 = 23.37/x
  3. Step 3: Cross multiply
    30.92x = 46.38 × 23.37
  4. Step 4: Simplify right side
    30.92x = 1,083.90
  5. Step 5: Solve for x
    x = 1,083.90/30.92
  6. Step 6: Final answer
    x = 35.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.