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Finding the Fourth Proportional to 5,891.91, 8,839.13 and 1,996.32

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Solution

The fourth proportional to 5,891.91, 8,839.13 and 1,996.32 is: 2,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.91 : 8,839.13 = 1,996.32 : x
  2. Step 2: Convert to fraction form
    5,891.91/8,839.13 = 1,996.32/x
  3. Step 3: Cross multiply
    5,891.91x = 8,839.13 × 1,996.32
  4. Step 4: Simplify right side
    5,891.91x = 17,645,730.31
  5. Step 5: Solve for x
    x = 17,645,730.31/5,891.91
  6. Step 6: Final answer
    x = 2,994.91

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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.