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Finding the Fourth Proportional to 6,589.52, 9,884.96 and 2,147.53

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Solution

The fourth proportional to 6,589.52, 9,884.96 and 2,147.53 is: 3,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,589.52 : 9,884.96 = 2,147.53 : x
  2. Step 2: Convert to fraction form
    6,589.52/9,884.96 = 2,147.53/x
  3. Step 3: Cross multiply
    6,589.52x = 9,884.96 × 2,147.53
  4. Step 4: Simplify right side
    6,589.52x = 21,228,198.72
  5. Step 5: Solve for x
    x = 21,228,198.72/6,589.52
  6. Step 6: Final answer
    x = 3,221.51

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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.