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Finding the Fourth Proportional to 34.15, 47.34 and 32.33

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Solution

The fourth proportional to 34.15, 47.34 and 32.33 is: 44.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.15 : 47.34 = 32.33 : x
  2. Step 2: Convert to fraction form
    34.15/47.34 = 32.33/x
  3. Step 3: Cross multiply
    34.15x = 47.34 × 32.33
  4. Step 4: Simplify right side
    34.15x = 1,530.50
  5. Step 5: Solve for x
    x = 1,530.50/34.15
  6. Step 6: Final answer
    x = 44.82

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.