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Finding the Fourth Proportional to 5,939.84, 8,891.08 and 4,080.08

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Solution

The fourth proportional to 5,939.84, 8,891.08 and 4,080.08 is: 6,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.84 : 8,891.08 = 4,080.08 : x
  2. Step 2: Convert to fraction form
    5,939.84/8,891.08 = 4,080.08/x
  3. Step 3: Cross multiply
    5,939.84x = 8,891.08 × 4,080.08
  4. Step 4: Simplify right side
    5,939.84x = 36,276,317.69
  5. Step 5: Solve for x
    x = 36,276,317.69/5,939.84
  6. Step 6: Final answer
    x = 6,107.29

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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.