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Finding the Fourth Proportional to 44.17, 60.96 and 28.67

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Solution

The fourth proportional to 44.17, 60.96 and 28.67 is: 39.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.17 : 60.96 = 28.67 : x
  2. Step 2: Convert to fraction form
    44.17/60.96 = 28.67/x
  3. Step 3: Cross multiply
    44.17x = 60.96 × 28.67
  4. Step 4: Simplify right side
    44.17x = 1,747.71
  5. Step 5: Solve for x
    x = 1,747.71/44.17
  6. Step 6: Final answer
    x = 39.57

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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.