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Finding the Fourth Proportional to 44.96, 67.64 and 38.17

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Solution

The fourth proportional to 44.96, 67.64 and 38.17 is: 57.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.96 : 67.64 = 38.17 : x
  2. Step 2: Convert to fraction form
    44.96/67.64 = 38.17/x
  3. Step 3: Cross multiply
    44.96x = 67.64 × 38.17
  4. Step 4: Simplify right side
    44.96x = 2,581.71
  5. Step 5: Solve for x
    x = 2,581.71/44.96
  6. Step 6: Final answer
    x = 57.43

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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.