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Finding the Fourth Proportional to 44.17, 66.41 and 43.95

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Solution

The fourth proportional to 44.17, 66.41 and 43.95 is: 66.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.17 : 66.41 = 43.95 : x
  2. Step 2: Convert to fraction form
    44.17/66.41 = 43.95/x
  3. Step 3: Cross multiply
    44.17x = 66.41 × 43.95
  4. Step 4: Simplify right side
    44.17x = 2,918.17
  5. Step 5: Solve for x
    x = 2,918.17/44.17
  6. Step 6: Final answer
    x = 66.07

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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.