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Finding the Fourth Proportional to 41.74, 62.63 and 17.70

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Solution

The fourth proportional to 41.74, 62.63 and 17.70 is: 26.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.74 : 62.63 = 17.70 : x
  2. Step 2: Convert to fraction form
    41.74/62.63 = 17.70/x
  3. Step 3: Cross multiply
    41.74x = 62.63 × 17.70
  4. Step 4: Simplify right side
    41.74x = 1,108.15
  5. Step 5: Solve for x
    x = 1,108.15/41.74
  6. Step 6: Final answer
    x = 26.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.