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Finding the Fourth Proportional to 8,241.54, 12,361.05 and 2,694.93

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Solution

The fourth proportional to 8,241.54, 12,361.05 and 2,694.93 is: 4,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.54 : 12,361.05 = 2,694.93 : x
  2. Step 2: Convert to fraction form
    8,241.54/12,361.05 = 2,694.93/x
  3. Step 3: Cross multiply
    8,241.54x = 12,361.05 × 2,694.93
  4. Step 4: Simplify right side
    8,241.54x = 33,312,164.48
  5. Step 5: Solve for x
    x = 33,312,164.48/8,241.54
  6. Step 6: Final answer
    x = 4,041.98

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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.