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Finding the Fourth Proportional to 62.26, 93.45 and 38.26

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Solution

The fourth proportional to 62.26, 93.45 and 38.26 is: 57.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.26 : 93.45 = 38.26 : x
  2. Step 2: Convert to fraction form
    62.26/93.45 = 38.26/x
  3. Step 3: Cross multiply
    62.26x = 93.45 × 38.26
  4. Step 4: Simplify right side
    62.26x = 3,575.40
  5. Step 5: Solve for x
    x = 3,575.40/62.26
  6. Step 6: Final answer
    x = 57.43

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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.