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Finding the Fourth Proportional to 10.46, 15.67 and 6.17

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Solution

The fourth proportional to 10.46, 15.67 and 6.17 is: 9.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.46 : 15.67 = 6.17 : x
  2. Step 2: Convert to fraction form
    10.46/15.67 = 6.17/x
  3. Step 3: Cross multiply
    10.46x = 15.67 × 6.17
  4. Step 4: Simplify right side
    10.46x = 96.68
  5. Step 5: Solve for x
    x = 96.68/10.46
  6. Step 6: Final answer
    x = 9.24

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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.