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Finding the Fourth Proportional to 7,093.98, 10,640.97 and 2,163.65

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Solution

The fourth proportional to 7,093.98, 10,640.97 and 2,163.65 is: 3,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.98 : 10,640.97 = 2,163.65 : x
  2. Step 2: Convert to fraction form
    7,093.98/10,640.97 = 2,163.65/x
  3. Step 3: Cross multiply
    7,093.98x = 10,640.97 × 2,163.65
  4. Step 4: Simplify right side
    7,093.98x = 23,023,281.54
  5. Step 5: Solve for x
    x = 23,023,281.54/7,093.98
  6. Step 6: Final answer
    x = 3,245.47

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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.