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Finding the Fourth Proportional to 44, 60.69 and 34.15

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Solution

The fourth proportional to 44, 60.69 and 34.15 is: 47.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44 : 60.69 = 34.15 : x
  2. Step 2: Convert to fraction form
    44/60.69 = 34.15/x
  3. Step 3: Cross multiply
    44x = 60.69 × 34.15
  4. Step 4: Simplify right side
    44x = 2,072.56
  5. Step 5: Solve for x
    x = 2,072.56/44
  6. Step 6: Final answer
    x = 47.10

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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.