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Finding the Fourth Proportional to 3,363.74, 4,622.48 and 3,209.39

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Solution

The fourth proportional to 3,363.74, 4,622.48 and 3,209.39 is: 4,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.74 : 4,622.48 = 3,209.39 : x
  2. Step 2: Convert to fraction form
    3,363.74/4,622.48 = 3,209.39/x
  3. Step 3: Cross multiply
    3,363.74x = 4,622.48 × 3,209.39
  4. Step 4: Simplify right side
    3,363.74x = 14,835,331.30
  5. Step 5: Solve for x
    x = 14,835,331.30/3,363.74
  6. Step 6: Final answer
    x = 4,410.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.