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Finding the Fourth Proportional to 5,939.61, 8,909.29 and 2,043.91

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Solution

The fourth proportional to 5,939.61, 8,909.29 and 2,043.91 is: 3,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.61 : 8,909.29 = 2,043.91 : x
  2. Step 2: Convert to fraction form
    5,939.61/8,909.29 = 2,043.91/x
  3. Step 3: Cross multiply
    5,939.61x = 8,909.29 × 2,043.91
  4. Step 4: Simplify right side
    5,939.61x = 18,209,786.92
  5. Step 5: Solve for x
    x = 18,209,786.92/5,939.61
  6. Step 6: Final answer
    x = 3,065.82

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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.