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Finding the Fourth Proportional to 44.03, 60.74 and 28.49

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Solution

The fourth proportional to 44.03, 60.74 and 28.49 is: 39.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.03 : 60.74 = 28.49 : x
  2. Step 2: Convert to fraction form
    44.03/60.74 = 28.49/x
  3. Step 3: Cross multiply
    44.03x = 60.74 × 28.49
  4. Step 4: Simplify right side
    44.03x = 1,730.48
  5. Step 5: Solve for x
    x = 1,730.48/44.03
  6. Step 6: Final answer
    x = 39.30

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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.