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Finding the Fourth Proportional to 34.32, 51.48 and 16.29

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Solution

The fourth proportional to 34.32, 51.48 and 16.29 is: 24.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.32 : 51.48 = 16.29 : x
  2. Step 2: Convert to fraction form
    34.32/51.48 = 16.29/x
  3. Step 3: Cross multiply
    34.32x = 51.48 × 16.29
  4. Step 4: Simplify right side
    34.32x = 838.61
  5. Step 5: Solve for x
    x = 838.61/34.32
  6. Step 6: Final answer
    x = 24.44

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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.