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Finding the Fourth Proportional to 29.97, 44.97 and 21.93

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Solution

The fourth proportional to 29.97, 44.97 and 21.93 is: 32.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.97 : 44.97 = 21.93 : x
  2. Step 2: Convert to fraction form
    29.97/44.97 = 21.93/x
  3. Step 3: Cross multiply
    29.97x = 44.97 × 21.93
  4. Step 4: Simplify right side
    29.97x = 986.19
  5. Step 5: Solve for x
    x = 986.19/29.97
  6. Step 6: Final answer
    x = 32.91

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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.