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Finding the Fourth Proportional to 44.67, 66.93 and 31.11

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Solution

The fourth proportional to 44.67, 66.93 and 31.11 is: 46.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.67 : 66.93 = 31.11 : x
  2. Step 2: Convert to fraction form
    44.67/66.93 = 31.11/x
  3. Step 3: Cross multiply
    44.67x = 66.93 × 31.11
  4. Step 4: Simplify right side
    44.67x = 2,082.19
  5. Step 5: Solve for x
    x = 2,082.19/44.67
  6. Step 6: Final answer
    x = 46.61

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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.