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Finding the Fourth Proportional to 3,579.22, 5,367.12 and 1,630.18

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Solution

The fourth proportional to 3,579.22, 5,367.12 and 1,630.18 is: 2,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.22 : 5,367.12 = 1,630.18 : x
  2. Step 2: Convert to fraction form
    3,579.22/5,367.12 = 1,630.18/x
  3. Step 3: Cross multiply
    3,579.22x = 5,367.12 × 1,630.18
  4. Step 4: Simplify right side
    3,579.22x = 8,749,371.68
  5. Step 5: Solve for x
    x = 8,749,371.68/3,579.22
  6. Step 6: Final answer
    x = 2,444.49

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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.