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Finding the Fourth Proportional to 29,998.73, 44,997.49 and 7,811.62

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Solution

The fourth proportional to 29,998.73, 44,997.49 and 7,811.62 is: 11,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,998.73 : 44,997.49 = 7,811.62 : x
  2. Step 2: Convert to fraction form
    29,998.73/44,997.49 = 7,811.62/x
  3. Step 3: Cross multiply
    29,998.73x = 44,997.49 × 7,811.62
  4. Step 4: Simplify right side
    29,998.73x = 351,503,190.10
  5. Step 5: Solve for x
    x = 351,503,190.10/29,998.73
  6. Step 6: Final answer
    x = 11,717.27

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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.