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Finding the Fourth Proportional to 3,467.21, 5,207.04 and 3,189.04

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Solution

The fourth proportional to 3,467.21, 5,207.04 and 3,189.04 is: 4,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.21 : 5,207.04 = 3,189.04 : x
  2. Step 2: Convert to fraction form
    3,467.21/5,207.04 = 3,189.04/x
  3. Step 3: Cross multiply
    3,467.21x = 5,207.04 × 3,189.04
  4. Step 4: Simplify right side
    3,467.21x = 16,605,445.82
  5. Step 5: Solve for x
    x = 16,605,445.82/3,467.21
  6. Step 6: Final answer
    x = 4,789.29

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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.