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Finding the Fourth Proportional to 8,042.99, 12,064.17 and 3,361.79

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Solution

The fourth proportional to 8,042.99, 12,064.17 and 3,361.79 is: 5,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.99 : 12,064.17 = 3,361.79 : x
  2. Step 2: Convert to fraction form
    8,042.99/12,064.17 = 3,361.79/x
  3. Step 3: Cross multiply
    8,042.99x = 12,064.17 × 3,361.79
  4. Step 4: Simplify right side
    8,042.99x = 40,557,206.06
  5. Step 5: Solve for x
    x = 40,557,206.06/8,042.99
  6. Step 6: Final answer
    x = 5,042.55

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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.