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Finding the Fourth Proportional to 43,992.87, 65,996.29 and 15,910.05

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Solution

The fourth proportional to 43,992.87, 65,996.29 and 15,910.05 is: 23,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,992.87 : 65,996.29 = 15,910.05 : x
  2. Step 2: Convert to fraction form
    43,992.87/65,996.29 = 15,910.05/x
  3. Step 3: Cross multiply
    43,992.87x = 65,996.29 × 15,910.05
  4. Step 4: Simplify right side
    43,992.87x = 1,050,004,028.99
  5. Step 5: Solve for x
    x = 1,050,004,028.99/43,992.87
  6. Step 6: Final answer
    x = 23,867.59

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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.