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Finding the Fourth Proportional to 34.18, 51.24 and 32.44

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Solution

The fourth proportional to 34.18, 51.24 and 32.44 is: 48.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.18 : 51.24 = 32.44 : x
  2. Step 2: Convert to fraction form
    34.18/51.24 = 32.44/x
  3. Step 3: Cross multiply
    34.18x = 51.24 × 32.44
  4. Step 4: Simplify right side
    34.18x = 1,662.23
  5. Step 5: Solve for x
    x = 1,662.23/34.18
  6. Step 6: Final answer
    x = 48.63

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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.