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Finding the Fourth Proportional to 22,689.52, 33,961.28 and 12,133.13

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Solution

The fourth proportional to 22,689.52, 33,961.28 and 12,133.13 is: 18,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.52 : 33,961.28 = 12,133.13 : x
  2. Step 2: Convert to fraction form
    22,689.52/33,961.28 = 12,133.13/x
  3. Step 3: Cross multiply
    22,689.52x = 33,961.28 × 12,133.13
  4. Step 4: Simplify right side
    22,689.52x = 412,056,394.73
  5. Step 5: Solve for x
    x = 412,056,394.73/22,689.52
  6. Step 6: Final answer
    x = 18,160.65

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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.