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Finding the Fourth Proportional to 4,451.70, 6,677.55 and 3,722.70

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Solution

The fourth proportional to 4,451.70, 6,677.55 and 3,722.70 is: 5,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.70 : 6,677.55 = 3,722.70 : x
  2. Step 2: Convert to fraction form
    4,451.70/6,677.55 = 3,722.70/x
  3. Step 3: Cross multiply
    4,451.70x = 6,677.55 × 3,722.70
  4. Step 4: Simplify right side
    4,451.70x = 24,858,515.39
  5. Step 5: Solve for x
    x = 24,858,515.39/4,451.70
  6. Step 6: Final answer
    x = 5,584.05

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Double scale
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Similar ratio
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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.