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Finding the Fourth Proportional to 29.43, 44.12 and 18.00

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Solution

The fourth proportional to 29.43, 44.12 and 18.00 is: 26.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.43 : 44.12 = 18.00 : x
  2. Step 2: Convert to fraction form
    29.43/44.12 = 18.00/x
  3. Step 3: Cross multiply
    29.43x = 44.12 × 18.00
  4. Step 4: Simplify right side
    29.43x = 793.97
  5. Step 5: Solve for x
    x = 793.97/29.43
  6. Step 6: Final answer
    x = 26.98

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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.