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Finding the Fourth Proportional to 34.88, 52.31 and 10.83

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Solution

The fourth proportional to 34.88, 52.31 and 10.83 is: 16.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.88 : 52.31 = 10.83 : x
  2. Step 2: Convert to fraction form
    34.88/52.31 = 10.83/x
  3. Step 3: Cross multiply
    34.88x = 52.31 × 10.83
  4. Step 4: Simplify right side
    34.88x = 566.45
  5. Step 5: Solve for x
    x = 566.45/34.88
  6. Step 6: Final answer
    x = 16.24

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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.