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Finding the Fourth Proportional to 44.96, 62.01 and 31.14

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Solution

The fourth proportional to 44.96, 62.01 and 31.14 is: 42.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.96 : 62.01 = 31.14 : x
  2. Step 2: Convert to fraction form
    44.96/62.01 = 31.14/x
  3. Step 3: Cross multiply
    44.96x = 62.01 × 31.14
  4. Step 4: Simplify right side
    44.96x = 1,930.99
  5. Step 5: Solve for x
    x = 1,930.99/44.96
  6. Step 6: Final answer
    x = 42.95

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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.