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Finding the Fourth Proportional to 5,939.99, 8,911.20 and 2,043.89

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Solution

The fourth proportional to 5,939.99, 8,911.20 and 2,043.89 is: 3,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.99 : 8,911.20 = 2,043.89 : x
  2. Step 2: Convert to fraction form
    5,939.99/8,911.20 = 2,043.89/x
  3. Step 3: Cross multiply
    5,939.99x = 8,911.20 × 2,043.89
  4. Step 4: Simplify right side
    5,939.99x = 18,213,512.57
  5. Step 5: Solve for x
    x = 18,213,512.57/5,939.99
  6. Step 6: Final answer
    x = 3,066.25

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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.