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Finding the Fourth Proportional to 6,240.41, 9,361.13 and 1,857.88

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Solution

The fourth proportional to 6,240.41, 9,361.13 and 1,857.88 is: 2,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.41 : 9,361.13 = 1,857.88 : x
  2. Step 2: Convert to fraction form
    6,240.41/9,361.13 = 1,857.88/x
  3. Step 3: Cross multiply
    6,240.41x = 9,361.13 × 1,857.88
  4. Step 4: Simplify right side
    6,240.41x = 17,391,856.20
  5. Step 5: Solve for x
    x = 17,391,856.20/6,240.41
  6. Step 6: Final answer
    x = 2,786.97

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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.