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Finding the Fourth Proportional to 29,144.80, 43,684.80 and 16,006.60

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Solution

The fourth proportional to 29,144.80, 43,684.80 and 16,006.60 is: 23,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,144.80 : 43,684.80 = 16,006.60 : x
  2. Step 2: Convert to fraction form
    29,144.80/43,684.80 = 16,006.60/x
  3. Step 3: Cross multiply
    29,144.80x = 43,684.80 × 16,006.60
  4. Step 4: Simplify right side
    29,144.80x = 699,245,119.68
  5. Step 5: Solve for x
    x = 699,245,119.68/29,144.80
  6. Step 6: Final answer
    x = 23,992.11

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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.