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Finding the Fourth Proportional to 30.44, 41.95 and 23.50

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Solution

The fourth proportional to 30.44, 41.95 and 23.50 is: 32.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30.44 : 41.95 = 23.50 : x
  2. Step 2: Convert to fraction form
    30.44/41.95 = 23.50/x
  3. Step 3: Cross multiply
    30.44x = 41.95 × 23.50
  4. Step 4: Simplify right side
    30.44x = 985.91
  5. Step 5: Solve for x
    x = 985.91/30.44
  6. Step 6: Final answer
    x = 32.39

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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.