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Finding the Fourth Proportional to 29,992.62, 44,949.90 and 12,202.54

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Solution

The fourth proportional to 29,992.62, 44,949.90 and 12,202.54 is: 18,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,992.62 : 44,949.90 = 12,202.54 : x
  2. Step 2: Convert to fraction form
    29,992.62/44,949.90 = 12,202.54/x
  3. Step 3: Cross multiply
    29,992.62x = 44,949.90 × 12,202.54
  4. Step 4: Simplify right side
    29,992.62x = 548,502,666.98
  5. Step 5: Solve for x
    x = 548,502,666.98/29,992.62
  6. Step 6: Final answer
    x = 18,287.92

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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.