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Finding the Fourth Proportional to 6,991.83, 10,482.89 and 2,608.11

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Solution

The fourth proportional to 6,991.83, 10,482.89 and 2,608.11 is: 3,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.83 : 10,482.89 = 2,608.11 : x
  2. Step 2: Convert to fraction form
    6,991.83/10,482.89 = 2,608.11/x
  3. Step 3: Cross multiply
    6,991.83x = 10,482.89 × 2,608.11
  4. Step 4: Simplify right side
    6,991.83x = 27,340,517.20
  5. Step 5: Solve for x
    x = 27,340,517.20/6,991.83
  6. Step 6: Final answer
    x = 3,910.35

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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.