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Finding the Fourth Proportional to 22.07, 33.10 and 10.67

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Solution

The fourth proportional to 22.07, 33.10 and 10.67 is: 15.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.07 : 33.10 = 10.67 : x
  2. Step 2: Convert to fraction form
    22.07/33.10 = 10.67/x
  3. Step 3: Cross multiply
    22.07x = 33.10 × 10.67
  4. Step 4: Simplify right side
    22.07x = 353.02
  5. Step 5: Solve for x
    x = 353.02/22.07
  6. Step 6: Final answer
    x = 15.99

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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.