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Finding the Fourth Proportional to 3,694.56, 5,561.80 and 3,367.59

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Solution

The fourth proportional to 3,694.56, 5,561.80 and 3,367.59 is: 5,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.56 : 5,561.80 = 3,367.59 : x
  2. Step 2: Convert to fraction form
    3,694.56/5,561.80 = 3,367.59/x
  3. Step 3: Cross multiply
    3,694.56x = 5,561.80 × 3,367.59
  4. Step 4: Simplify right side
    3,694.56x = 18,729,864.07
  5. Step 5: Solve for x
    x = 18,729,864.07/3,694.56
  6. Step 6: Final answer
    x = 5,069.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.