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Finding the Fourth Proportional to 3,657.70, 5,489.18 and 1,467.06

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Solution

The fourth proportional to 3,657.70, 5,489.18 and 1,467.06 is: 2,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.70 : 5,489.18 = 1,467.06 : x
  2. Step 2: Convert to fraction form
    3,657.70/5,489.18 = 1,467.06/x
  3. Step 3: Cross multiply
    3,657.70x = 5,489.18 × 1,467.06
  4. Step 4: Simplify right side
    3,657.70x = 8,052,956.41
  5. Step 5: Solve for x
    x = 8,052,956.41/3,657.70
  6. Step 6: Final answer
    x = 2,201.64

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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.