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Finding the Fourth Proportional to 3,007.67, 4,511.51 and 1,974.22

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Solution

The fourth proportional to 3,007.67, 4,511.51 and 1,974.22 is: 2,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.67 : 4,511.51 = 1,974.22 : x
  2. Step 2: Convert to fraction form
    3,007.67/4,511.51 = 1,974.22/x
  3. Step 3: Cross multiply
    3,007.67x = 4,511.51 × 1,974.22
  4. Step 4: Simplify right side
    3,007.67x = 8,906,713.27
  5. Step 5: Solve for x
    x = 8,906,713.27/3,007.67
  6. Step 6: Final answer
    x = 2,961.33

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Half scale
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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.