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Finding the Fourth Proportional to 22,979.06, 34,472.07 and 11,728.25

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Solution

The fourth proportional to 22,979.06, 34,472.07 and 11,728.25 is: 17,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,979.06 : 34,472.07 = 11,728.25 : x
  2. Step 2: Convert to fraction form
    22,979.06/34,472.07 = 11,728.25/x
  3. Step 3: Cross multiply
    22,979.06x = 34,472.07 × 11,728.25
  4. Step 4: Simplify right side
    22,979.06x = 404,296,882.62
  5. Step 5: Solve for x
    x = 404,296,882.62/22,979.06
  6. Step 6: Final answer
    x = 17,594.15

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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.