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Finding the Fourth Proportional to 22,772.34, 34,163.56 and 6,979.56

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Solution

The fourth proportional to 22,772.34, 34,163.56 and 6,979.56 is: 10,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.34 : 34,163.56 = 6,979.56 : x
  2. Step 2: Convert to fraction form
    22,772.34/34,163.56 = 6,979.56/x
  3. Step 3: Cross multiply
    22,772.34x = 34,163.56 × 6,979.56
  4. Step 4: Simplify right side
    22,772.34x = 238,446,616.83
  5. Step 5: Solve for x
    x = 238,446,616.83/22,772.34
  6. Step 6: Final answer
    x = 10,470.89

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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.