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Finding the Fourth Proportional to 41.50, 62.23 and 26.88

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Solution

The fourth proportional to 41.50, 62.23 and 26.88 is: 40.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.50 : 62.23 = 26.88 : x
  2. Step 2: Convert to fraction form
    41.50/62.23 = 26.88/x
  3. Step 3: Cross multiply
    41.50x = 62.23 × 26.88
  4. Step 4: Simplify right side
    41.50x = 1,672.74
  5. Step 5: Solve for x
    x = 1,672.74/41.50
  6. Step 6: Final answer
    x = 40.31

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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.