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Finding the Fourth Proportional to 30.71, 46.08 and 16.27

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Solution

The fourth proportional to 30.71, 46.08 and 16.27 is: 24.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30.71 : 46.08 = 16.27 : x
  2. Step 2: Convert to fraction form
    30.71/46.08 = 16.27/x
  3. Step 3: Cross multiply
    30.71x = 46.08 × 16.27
  4. Step 4: Simplify right side
    30.71x = 749.78
  5. Step 5: Solve for x
    x = 749.78/30.71
  6. Step 6: Final answer
    x = 24.42

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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.