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Finding the Fourth Proportional to 44.74, 67 and 43.84

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Solution

The fourth proportional to 44.74, 67 and 43.84 is: 65.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.74 : 67 = 43.84 : x
  2. Step 2: Convert to fraction form
    44.74/67 = 43.84/x
  3. Step 3: Cross multiply
    44.74x = 67 × 43.84
  4. Step 4: Simplify right side
    44.74x = 2,937.28
  5. Step 5: Solve for x
    x = 2,937.28/44.74
  6. Step 6: Final answer
    x = 65.65

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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.