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Finding the Fourth Proportional to 6,609.99, 9,915.03 and 2,227.44

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Solution

The fourth proportional to 6,609.99, 9,915.03 and 2,227.44 is: 3,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.99 : 9,915.03 = 2,227.44 : x
  2. Step 2: Convert to fraction form
    6,609.99/9,915.03 = 2,227.44/x
  3. Step 3: Cross multiply
    6,609.99x = 9,915.03 × 2,227.44
  4. Step 4: Simplify right side
    6,609.99x = 22,085,134.42
  5. Step 5: Solve for x
    x = 22,085,134.42/6,609.99
  6. Step 6: Final answer
    x = 3,341.18

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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.