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Finding the Fourth Proportional to 15.68, 23.50 and 9.67

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Solution

The fourth proportional to 15.68, 23.50 and 9.67 is: 14.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.68 : 23.50 = 9.67 : x
  2. Step 2: Convert to fraction form
    15.68/23.50 = 9.67/x
  3. Step 3: Cross multiply
    15.68x = 23.50 × 9.67
  4. Step 4: Simplify right side
    15.68x = 227.25
  5. Step 5: Solve for x
    x = 227.25/15.68
  6. Step 6: Final answer
    x = 14.49

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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.