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Finding the Fourth Proportional to 30, 44.94 and 23.23

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Solution

The fourth proportional to 30, 44.94 and 23.23 is: 34.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30 : 44.94 = 23.23 : x
  2. Step 2: Convert to fraction form
    30/44.94 = 23.23/x
  3. Step 3: Cross multiply
    30x = 44.94 × 23.23
  4. Step 4: Simplify right side
    30x = 1,043.96
  5. Step 5: Solve for x
    x = 1,043.96/30
  6. Step 6: Final answer
    x = 34.80

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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.