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Finding the Fourth Proportional to 29.97, 44.93 and 21.95

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Solution

The fourth proportional to 29.97, 44.93 and 21.95 is: 32.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.97 : 44.93 = 21.95 : x
  2. Step 2: Convert to fraction form
    29.97/44.93 = 21.95/x
  3. Step 3: Cross multiply
    29.97x = 44.93 × 21.95
  4. Step 4: Simplify right side
    29.97x = 985.88
  5. Step 5: Solve for x
    x = 985.88/29.97
  6. Step 6: Final answer
    x = 32.90

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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.