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Finding the Fourth Proportional to 39.34, 58.93 and 23.27

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Solution

The fourth proportional to 39.34, 58.93 and 23.27 is: 34.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.34 : 58.93 = 23.27 : x
  2. Step 2: Convert to fraction form
    39.34/58.93 = 23.27/x
  3. Step 3: Cross multiply
    39.34x = 58.93 × 23.27
  4. Step 4: Simplify right side
    39.34x = 1,371.30
  5. Step 5: Solve for x
    x = 1,371.30/39.34
  6. Step 6: Final answer
    x = 34.86

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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.