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Finding the Fourth Proportional to 3,462.44, 5,186.46 and 2,876

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Solution

The fourth proportional to 3,462.44, 5,186.46 and 2,876 is: 4,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.44 : 5,186.46 = 2,876 : x
  2. Step 2: Convert to fraction form
    3,462.44/5,186.46 = 2,876/x
  3. Step 3: Cross multiply
    3,462.44x = 5,186.46 × 2,876
  4. Step 4: Simplify right side
    3,462.44x = 14,916,258.96
  5. Step 5: Solve for x
    x = 14,916,258.96/3,462.44
  6. Step 6: Final answer
    x = 4,308.02

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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.