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Finding the Fourth Proportional to 5,481.93, 7,568.60 and 4,891.44

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Solution

The fourth proportional to 5,481.93, 7,568.60 and 4,891.44 is: 6,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.93 : 7,568.60 = 4,891.44 : x
  2. Step 2: Convert to fraction form
    5,481.93/7,568.60 = 4,891.44/x
  3. Step 3: Cross multiply
    5,481.93x = 7,568.60 × 4,891.44
  4. Step 4: Simplify right side
    5,481.93x = 37,021,328.33
  5. Step 5: Solve for x
    x = 37,021,328.33/5,481.93
  6. Step 6: Final answer
    x = 6,753.34

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Double 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.