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Finding the Fourth Proportional to 22,179.67, 33,276 and 8,329.75

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Solution

The fourth proportional to 22,179.67, 33,276 and 8,329.75 is: 12,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.67 : 33,276 = 8,329.75 : x
  2. Step 2: Convert to fraction form
    22,179.67/33,276 = 8,329.75/x
  3. Step 3: Cross multiply
    22,179.67x = 33,276 × 8,329.75
  4. Step 4: Simplify right side
    22,179.67x = 277,180,761
  5. Step 5: Solve for x
    x = 277,180,761/22,179.67
  6. Step 6: Final answer
    x = 12,497.06

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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.