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Finding the Fourth Proportional to 22,461.90, 33,697.17 and 6,879.66

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Solution

The fourth proportional to 22,461.90, 33,697.17 and 6,879.66 is: 10,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461.90 : 33,697.17 = 6,879.66 : x
  2. Step 2: Convert to fraction form
    22,461.90/33,697.17 = 6,879.66/x
  3. Step 3: Cross multiply
    22,461.90x = 33,697.17 × 6,879.66
  4. Step 4: Simplify right side
    22,461.90x = 231,825,072.56
  5. Step 5: Solve for x
    x = 231,825,072.56/22,461.90
  6. Step 6: Final answer
    x = 10,320.81

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1.5x scale

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.