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Finding the Fourth Proportional to 8,145.73, 11,241.10 and 4,419.73

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Solution

The fourth proportional to 8,145.73, 11,241.10 and 4,419.73 is: 6,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.73 : 11,241.10 = 4,419.73 : x
  2. Step 2: Convert to fraction form
    8,145.73/11,241.10 = 4,419.73/x
  3. Step 3: Cross multiply
    8,145.73x = 11,241.10 × 4,419.73
  4. Step 4: Simplify right side
    8,145.73x = 49,682,604.32
  5. Step 5: Solve for x
    x = 49,682,604.32/8,145.73
  6. Step 6: Final answer
    x = 6,099.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.