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Finding the Fourth Proportional to 34.93, 52.41 and 13.27

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Solution

The fourth proportional to 34.93, 52.41 and 13.27 is: 19.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.93 : 52.41 = 13.27 : x
  2. Step 2: Convert to fraction form
    34.93/52.41 = 13.27/x
  3. Step 3: Cross multiply
    34.93x = 52.41 × 13.27
  4. Step 4: Simplify right side
    34.93x = 695.66
  5. Step 5: Solve for x
    x = 695.66/34.93
  6. Step 6: Final answer
    x = 19.92

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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.