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Finding the Fourth Proportional to 34.48, 51.70 and 16.46

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Solution

The fourth proportional to 34.48, 51.70 and 16.46 is: 24.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.48 : 51.70 = 16.46 : x
  2. Step 2: Convert to fraction form
    34.48/51.70 = 16.46/x
  3. Step 3: Cross multiply
    34.48x = 51.70 × 16.46
  4. Step 4: Simplify right side
    34.48x = 850.98
  5. Step 5: Solve for x
    x = 850.98/34.48
  6. Step 6: Final answer
    x = 24.68

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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.