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Finding the Fourth Proportional to 22,620.60, 33,944.13 and 9,471.87

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Solution

The fourth proportional to 22,620.60, 33,944.13 and 9,471.87 is: 14,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.60 : 33,944.13 = 9,471.87 : x
  2. Step 2: Convert to fraction form
    22,620.60/33,944.13 = 9,471.87/x
  3. Step 3: Cross multiply
    22,620.60x = 33,944.13 × 9,471.87
  4. Step 4: Simplify right side
    22,620.60x = 321,514,386.62
  5. Step 5: Solve for x
    x = 321,514,386.62/22,620.60
  6. Step 6: Final answer
    x = 14,213.34

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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.