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Finding the Fourth Proportional to 62.97, 94.50 and 26.91

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Solution

The fourth proportional to 62.97, 94.50 and 26.91 is: 40.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.97 : 94.50 = 26.91 : x
  2. Step 2: Convert to fraction form
    62.97/94.50 = 26.91/x
  3. Step 3: Cross multiply
    62.97x = 94.50 × 26.91
  4. Step 4: Simplify right side
    62.97x = 2,543.00
  5. Step 5: Solve for x
    x = 2,543.00/62.97
  6. Step 6: Final answer
    x = 40.38

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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.