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Finding the Fourth Proportional to 22,018.43, 33,032.43 and 7,226.79

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Solution

The fourth proportional to 22,018.43, 33,032.43 and 7,226.79 is: 10,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.43 : 33,032.43 = 7,226.79 : x
  2. Step 2: Convert to fraction form
    22,018.43/33,032.43 = 7,226.79/x
  3. Step 3: Cross multiply
    22,018.43x = 33,032.43 × 7,226.79
  4. Step 4: Simplify right side
    22,018.43x = 238,718,434.80
  5. Step 5: Solve for x
    x = 238,718,434.80/22,018.43
  6. Step 6: Final answer
    x = 10,841.76

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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.