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Finding the Fourth Proportional to 34.67, 52.00 and 14.38

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Solution

The fourth proportional to 34.67, 52.00 and 14.38 is: 21.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.67 : 52.00 = 14.38 : x
  2. Step 2: Convert to fraction form
    34.67/52.00 = 14.38/x
  3. Step 3: Cross multiply
    34.67x = 52.00 × 14.38
  4. Step 4: Simplify right side
    34.67x = 747.59
  5. Step 5: Solve for x
    x = 747.59/34.67
  6. Step 6: Final answer
    x = 21.56

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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.