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Finding the Fourth Proportional to 3,069.06, 4,236.11 and 1,891.11

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Solution

The fourth proportional to 3,069.06, 4,236.11 and 1,891.11 is: 2,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.06 : 4,236.11 = 1,891.11 : x
  2. Step 2: Convert to fraction form
    3,069.06/4,236.11 = 1,891.11/x
  3. Step 3: Cross multiply
    3,069.06x = 4,236.11 × 1,891.11
  4. Step 4: Simplify right side
    3,069.06x = 8,010,949.98
  5. Step 5: Solve for x
    x = 8,010,949.98/3,069.06
  6. Step 6: Final answer
    x = 2,610.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.