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Finding the Fourth Proportional to 3,659.22, 5,489.01 and 1,194.12

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Solution

The fourth proportional to 3,659.22, 5,489.01 and 1,194.12 is: 1,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.22 : 5,489.01 = 1,194.12 : x
  2. Step 2: Convert to fraction form
    3,659.22/5,489.01 = 1,194.12/x
  3. Step 3: Cross multiply
    3,659.22x = 5,489.01 × 1,194.12
  4. Step 4: Simplify right side
    3,659.22x = 6,554,536.62
  5. Step 5: Solve for x
    x = 6,554,536.62/3,659.22
  6. Step 6: Final answer
    x = 1,791.24

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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.