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Finding the Fourth Proportional to 3,367.44, 4,645.62 and 2,188.62

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Solution

The fourth proportional to 3,367.44, 4,645.62 and 2,188.62 is: 3,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.44 : 4,645.62 = 2,188.62 : x
  2. Step 2: Convert to fraction form
    3,367.44/4,645.62 = 2,188.62/x
  3. Step 3: Cross multiply
    3,367.44x = 4,645.62 × 2,188.62
  4. Step 4: Simplify right side
    3,367.44x = 10,167,496.84
  5. Step 5: Solve for x
    x = 10,167,496.84/3,367.44
  6. Step 6: Final answer
    x = 3,019.36

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Half scale
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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.