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Finding the Fourth Proportional to 3,377.55, 4,664.22 and 3,193.47

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Solution

The fourth proportional to 3,377.55, 4,664.22 and 3,193.47 is: 4,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.55 : 4,664.22 = 3,193.47 : x
  2. Step 2: Convert to fraction form
    3,377.55/4,664.22 = 3,193.47/x
  3. Step 3: Cross multiply
    3,377.55x = 4,664.22 × 3,193.47
  4. Step 4: Simplify right side
    3,377.55x = 14,895,046.64
  5. Step 5: Solve for x
    x = 14,895,046.64/3,377.55
  6. Step 6: Final answer
    x = 4,410.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.