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Finding the Fourth Proportional to 8,241.95, 12,361.66 and 2,695.32

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Solution

The fourth proportional to 8,241.95, 12,361.66 and 2,695.32 is: 4,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.95 : 12,361.66 = 2,695.32 : x
  2. Step 2: Convert to fraction form
    8,241.95/12,361.66 = 2,695.32/x
  3. Step 3: Cross multiply
    8,241.95x = 12,361.66 × 2,695.32
  4. Step 4: Simplify right side
    8,241.95x = 33,318,629.43
  5. Step 5: Solve for x
    x = 33,318,629.43/8,241.95
  6. Step 6: Final answer
    x = 4,042.57

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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.