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Finding the Fourth Proportional to 29.93, 44.90 and 16.40

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Solution

The fourth proportional to 29.93, 44.90 and 16.40 is: 24.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.93 : 44.90 = 16.40 : x
  2. Step 2: Convert to fraction form
    29.93/44.90 = 16.40/x
  3. Step 3: Cross multiply
    29.93x = 44.90 × 16.40
  4. Step 4: Simplify right side
    29.93x = 736.05
  5. Step 5: Solve for x
    x = 736.05/29.93
  6. Step 6: Final answer
    x = 24.60

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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.