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Finding the Fourth Proportional to 8,258.96, 12,388.01 and 2,711.58

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Solution

The fourth proportional to 8,258.96, 12,388.01 and 2,711.58 is: 4,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.96 : 12,388.01 = 2,711.58 : x
  2. Step 2: Convert to fraction form
    8,258.96/12,388.01 = 2,711.58/x
  3. Step 3: Cross multiply
    8,258.96x = 12,388.01 × 2,711.58
  4. Step 4: Simplify right side
    8,258.96x = 33,591,080.16
  5. Step 5: Solve for x
    x = 33,591,080.16/8,258.96
  6. Step 6: Final answer
    x = 4,067.23

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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.