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Finding the Fourth Proportional to 34.64, 51.97 and 10.60

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Solution

The fourth proportional to 34.64, 51.97 and 10.60 is: 15.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.64 : 51.97 = 10.60 : x
  2. Step 2: Convert to fraction form
    34.64/51.97 = 10.60/x
  3. Step 3: Cross multiply
    34.64x = 51.97 × 10.60
  4. Step 4: Simplify right side
    34.64x = 550.73
  5. Step 5: Solve for x
    x = 550.73/34.64
  6. Step 6: Final answer
    x = 15.90

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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.