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Finding the Fourth Proportional to 22,011.91, 33,017.54 and 8,863.94

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Solution

The fourth proportional to 22,011.91, 33,017.54 and 8,863.94 is: 13,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.91 : 33,017.54 = 8,863.94 : x
  2. Step 2: Convert to fraction form
    22,011.91/33,017.54 = 8,863.94/x
  3. Step 3: Cross multiply
    22,011.91x = 33,017.54 × 8,863.94
  4. Step 4: Simplify right side
    22,011.91x = 292,665,531.73
  5. Step 5: Solve for x
    x = 292,665,531.73/22,011.91
  6. Step 6: Final answer
    x = 13,295.78

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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.