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Finding the Fourth Proportional to 29,181, 43,767.84 and 8,122.62

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Solution

The fourth proportional to 29,181, 43,767.84 and 8,122.62 is: 12,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,181 : 43,767.84 = 8,122.62 : x
  2. Step 2: Convert to fraction form
    29,181/43,767.84 = 8,122.62/x
  3. Step 3: Cross multiply
    29,181x = 43,767.84 × 8,122.62
  4. Step 4: Simplify right side
    29,181x = 355,509,532.54
  5. Step 5: Solve for x
    x = 355,509,532.54/29,181
  6. Step 6: Final answer
    x = 12,182.91

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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.