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Finding the Fourth Proportional to 11,422.71, 17,134.07 and 3,102.73

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Solution

The fourth proportional to 11,422.71, 17,134.07 and 3,102.73 is: 4,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.71 : 17,134.07 = 3,102.73 : x
  2. Step 2: Convert to fraction form
    11,422.71/17,134.07 = 3,102.73/x
  3. Step 3: Cross multiply
    11,422.71x = 17,134.07 × 3,102.73
  4. Step 4: Simplify right side
    11,422.71x = 53,162,334.66
  5. Step 5: Solve for x
    x = 53,162,334.66/11,422.71
  6. Step 6: Final answer
    x = 4,654.09

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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.