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Finding the Fourth Proportional to 6,321.01, 9,481.51 and 2,161.05

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Solution

The fourth proportional to 6,321.01, 9,481.51 and 2,161.05 is: 3,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.01 : 9,481.51 = 2,161.05 : x
  2. Step 2: Convert to fraction form
    6,321.01/9,481.51 = 2,161.05/x
  3. Step 3: Cross multiply
    6,321.01x = 9,481.51 × 2,161.05
  4. Step 4: Simplify right side
    6,321.01x = 20,490,017.19
  5. Step 5: Solve for x
    x = 20,490,017.19/6,321.01
  6. Step 6: Final answer
    x = 3,241.57

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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.