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Finding the Fourth Proportional to 30.44, 41.98 and 23.48

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Solution

The fourth proportional to 30.44, 41.98 and 23.48 is: 32.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30.44 : 41.98 = 23.48 : x
  2. Step 2: Convert to fraction form
    30.44/41.98 = 23.48/x
  3. Step 3: Cross multiply
    30.44x = 41.98 × 23.48
  4. Step 4: Simplify right side
    30.44x = 985.69
  5. Step 5: Solve for x
    x = 985.69/30.44
  6. Step 6: Final answer
    x = 32.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.