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Finding the Fourth Proportional to 39.26, 58.92 and 15.23

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Solution

The fourth proportional to 39.26, 58.92 and 15.23 is: 22.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.26 : 58.92 = 15.23 : x
  2. Step 2: Convert to fraction form
    39.26/58.92 = 15.23/x
  3. Step 3: Cross multiply
    39.26x = 58.92 × 15.23
  4. Step 4: Simplify right side
    39.26x = 897.28
  5. Step 5: Solve for x
    x = 897.28/39.26
  6. Step 6: Final answer
    x = 22.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.