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Finding the Fourth Proportional to 29.83, 44.70 and 16.30

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Solution

The fourth proportional to 29.83, 44.70 and 16.30 is: 24.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.83 : 44.70 = 16.30 : x
  2. Step 2: Convert to fraction form
    29.83/44.70 = 16.30/x
  3. Step 3: Cross multiply
    29.83x = 44.70 × 16.30
  4. Step 4: Simplify right side
    29.83x = 728.61
  5. Step 5: Solve for x
    x = 728.61/29.83
  6. Step 6: Final answer
    x = 24.43

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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.