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Finding the Fourth Proportional to 34.73, 52.11 and 17.63

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Solution

The fourth proportional to 34.73, 52.11 and 17.63 is: 26.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.73 : 52.11 = 17.63 : x
  2. Step 2: Convert to fraction form
    34.73/52.11 = 17.63/x
  3. Step 3: Cross multiply
    34.73x = 52.11 × 17.63
  4. Step 4: Simplify right side
    34.73x = 918.70
  5. Step 5: Solve for x
    x = 918.70/34.73
  6. Step 6: Final answer
    x = 26.45

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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.