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Finding the Fourth Proportional to 24.89, 34.34 and 16.68

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Solution

The fourth proportional to 24.89, 34.34 and 16.68 is: 23.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.89 : 34.34 = 16.68 : x
  2. Step 2: Convert to fraction form
    24.89/34.34 = 16.68/x
  3. Step 3: Cross multiply
    24.89x = 34.34 × 16.68
  4. Step 4: Simplify right side
    24.89x = 572.71
  5. Step 5: Solve for x
    x = 572.71/24.89
  6. Step 6: Final answer
    x = 23.01

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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.