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Finding the Fourth Proportional to 8,241.89, 12,362.42 and 2,694.51

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Solution

The fourth proportional to 8,241.89, 12,362.42 and 2,694.51 is: 4,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.89 : 12,362.42 = 2,694.51 : x
  2. Step 2: Convert to fraction form
    8,241.89/12,362.42 = 2,694.51/x
  3. Step 3: Cross multiply
    8,241.89x = 12,362.42 × 2,694.51
  4. Step 4: Simplify right side
    8,241.89x = 33,310,671.05
  5. Step 5: Solve for x
    x = 33,310,671.05/8,241.89
  6. Step 6: Final answer
    x = 4,041.63

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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.