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Finding the Fourth Proportional to 3,659.74, 5,489.84 and 1,468.19

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Solution

The fourth proportional to 3,659.74, 5,489.84 and 1,468.19 is: 2,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.74 : 5,489.84 = 1,468.19 : x
  2. Step 2: Convert to fraction form
    3,659.74/5,489.84 = 1,468.19/x
  3. Step 3: Cross multiply
    3,659.74x = 5,489.84 × 1,468.19
  4. Step 4: Simplify right side
    3,659.74x = 8,060,093.40
  5. Step 5: Solve for x
    x = 8,060,093.40/3,659.74
  6. Step 6: Final answer
    x = 2,202.37

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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.