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Finding the Fourth Proportional to 8,361.93, 12,542.89 and 3,433.89

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Solution

The fourth proportional to 8,361.93, 12,542.89 and 3,433.89 is: 5,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.93 : 12,542.89 = 3,433.89 : x
  2. Step 2: Convert to fraction form
    8,361.93/12,542.89 = 3,433.89/x
  3. Step 3: Cross multiply
    8,361.93x = 12,542.89 × 3,433.89
  4. Step 4: Simplify right side
    8,361.93x = 43,070,904.54
  5. Step 5: Solve for x
    x = 43,070,904.54/8,361.93
  6. Step 6: Final answer
    x = 5,150.83

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1.5x scale

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.