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Finding the Fourth Proportional to 22,201.70, 33,318.98 and 10,514.94

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Solution

The fourth proportional to 22,201.70, 33,318.98 and 10,514.94 is: 15,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.70 : 33,318.98 = 10,514.94 : x
  2. Step 2: Convert to fraction form
    22,201.70/33,318.98 = 10,514.94/x
  3. Step 3: Cross multiply
    22,201.70x = 33,318.98 × 10,514.94
  4. Step 4: Simplify right side
    22,201.70x = 350,347,022.99
  5. Step 5: Solve for x
    x = 350,347,022.99/22,201.70
  6. Step 6: Final answer
    x = 15,780.19

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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.