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Finding the Fourth Proportional to 4,936.41, 7,404.17 and 1,238.54

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Solution

The fourth proportional to 4,936.41, 7,404.17 and 1,238.54 is: 1,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.41 : 7,404.17 = 1,238.54 : x
  2. Step 2: Convert to fraction form
    4,936.41/7,404.17 = 1,238.54/x
  3. Step 3: Cross multiply
    4,936.41x = 7,404.17 × 1,238.54
  4. Step 4: Simplify right side
    4,936.41x = 9,170,317.50
  5. Step 5: Solve for x
    x = 9,170,317.50/4,936.41
  6. Step 6: Final answer
    x = 1,857.69

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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.