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Finding the Fourth Proportional to 44.88, 67.52 and 44.16

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Solution

The fourth proportional to 44.88, 67.52 and 44.16 is: 66.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.88 : 67.52 = 44.16 : x
  2. Step 2: Convert to fraction form
    44.88/67.52 = 44.16/x
  3. Step 3: Cross multiply
    44.88x = 67.52 × 44.16
  4. Step 4: Simplify right side
    44.88x = 2,981.68
  5. Step 5: Solve for x
    x = 2,981.68/44.88
  6. Step 6: Final answer
    x = 66.44

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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.