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Finding the Fourth Proportional to 62.98, 94.49 and 26.91

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Solution

The fourth proportional to 62.98, 94.49 and 26.91 is: 40.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.98 : 94.49 = 26.91 : x
  2. Step 2: Convert to fraction form
    62.98/94.49 = 26.91/x
  3. Step 3: Cross multiply
    62.98x = 94.49 × 26.91
  4. Step 4: Simplify right side
    62.98x = 2,542.73
  5. Step 5: Solve for x
    x = 2,542.73/62.98
  6. Step 6: Final answer
    x = 40.37

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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.