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Finding the Fourth Proportional to 3,893.67, 5,840.49 and 3,358.53

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Solution

The fourth proportional to 3,893.67, 5,840.49 and 3,358.53 is: 5,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.67 : 5,840.49 = 3,358.53 : x
  2. Step 2: Convert to fraction form
    3,893.67/5,840.49 = 3,358.53/x
  3. Step 3: Cross multiply
    3,893.67x = 5,840.49 × 3,358.53
  4. Step 4: Simplify right side
    3,893.67x = 19,615,460.88
  5. Step 5: Solve for x
    x = 19,615,460.88/3,893.67
  6. Step 6: Final answer
    x = 5,037.78

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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.