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Finding the Fourth Proportional to 22,488.78, 33,733.80 and 6,906.42

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Solution

The fourth proportional to 22,488.78, 33,733.80 and 6,906.42 is: 10,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.78 : 33,733.80 = 6,906.42 : x
  2. Step 2: Convert to fraction form
    22,488.78/33,733.80 = 6,906.42/x
  3. Step 3: Cross multiply
    22,488.78x = 33,733.80 × 6,906.42
  4. Step 4: Simplify right side
    22,488.78x = 232,979,791.00
  5. Step 5: Solve for x
    x = 232,979,791.00/22,488.78
  6. Step 6: Final answer
    x = 10,359.82

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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.