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Finding the Fourth Proportional to 62.26, 92.87 and 61.48

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Solution

The fourth proportional to 62.26, 92.87 and 61.48 is: 91.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.26 : 92.87 = 61.48 : x
  2. Step 2: Convert to fraction form
    62.26/92.87 = 61.48/x
  3. Step 3: Cross multiply
    62.26x = 92.87 × 61.48
  4. Step 4: Simplify right side
    62.26x = 5,709.65
  5. Step 5: Solve for x
    x = 5,709.65/62.26
  6. Step 6: Final answer
    x = 91.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.