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Finding the Fourth Proportional to 37.74, 52.06 and 23.17

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Solution

The fourth proportional to 37.74, 52.06 and 23.17 is: 31.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.74 : 52.06 = 23.17 : x
  2. Step 2: Convert to fraction form
    37.74/52.06 = 23.17/x
  3. Step 3: Cross multiply
    37.74x = 52.06 × 23.17
  4. Step 4: Simplify right side
    37.74x = 1,206.23
  5. Step 5: Solve for x
    x = 1,206.23/37.74
  6. Step 6: Final answer
    x = 31.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.