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Finding the Fourth Proportional to 3,355.56, 4,630.17 and 1,863.49

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Solution

The fourth proportional to 3,355.56, 4,630.17 and 1,863.49 is: 2,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.56 : 4,630.17 = 1,863.49 : x
  2. Step 2: Convert to fraction form
    3,355.56/4,630.17 = 1,863.49/x
  3. Step 3: Cross multiply
    3,355.56x = 4,630.17 × 1,863.49
  4. Step 4: Simplify right side
    3,355.56x = 8,628,252.34
  5. Step 5: Solve for x
    x = 8,628,252.34/3,355.56
  6. Step 6: Final answer
    x = 2,571.33

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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.