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Finding the Fourth Proportional to 44, 60.68 and 36.72

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Solution

The fourth proportional to 44, 60.68 and 36.72 is: 50.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44 : 60.68 = 36.72 : x
  2. Step 2: Convert to fraction form
    44/60.68 = 36.72/x
  3. Step 3: Cross multiply
    44x = 60.68 × 36.72
  4. Step 4: Simplify right side
    44x = 2,228.17
  5. Step 5: Solve for x
    x = 2,228.17/44
  6. Step 6: Final answer
    x = 50.64

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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.