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Finding the Fourth Proportional to 79.48, 118.94 and 44.67

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Solution

The fourth proportional to 79.48, 118.94 and 44.67 is: 66.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.48 : 118.94 = 44.67 : x
  2. Step 2: Convert to fraction form
    79.48/118.94 = 44.67/x
  3. Step 3: Cross multiply
    79.48x = 118.94 × 44.67
  4. Step 4: Simplify right side
    79.48x = 5,312.60
  5. Step 5: Solve for x
    x = 5,312.60/79.48
  6. Step 6: Final answer
    x = 66.84

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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.