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Finding the Fourth Proportional to 3,657.57, 5,489.22 and 1,467.75

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Solution

The fourth proportional to 3,657.57, 5,489.22 and 1,467.75 is: 2,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.57 : 5,489.22 = 1,467.75 : x
  2. Step 2: Convert to fraction form
    3,657.57/5,489.22 = 1,467.75/x
  3. Step 3: Cross multiply
    3,657.57x = 5,489.22 × 1,467.75
  4. Step 4: Simplify right side
    3,657.57x = 8,056,802.66
  5. Step 5: Solve for x
    x = 8,056,802.66/3,657.57
  6. Step 6: Final answer
    x = 2,202.77

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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.