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Finding the Fourth Proportional to 3,894.66, 5,841.27 and 2,039.94

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Solution

The fourth proportional to 3,894.66, 5,841.27 and 2,039.94 is: 3,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.66 : 5,841.27 = 2,039.94 : x
  2. Step 2: Convert to fraction form
    3,894.66/5,841.27 = 2,039.94/x
  3. Step 3: Cross multiply
    3,894.66x = 5,841.27 × 2,039.94
  4. Step 4: Simplify right side
    3,894.66x = 11,915,840.32
  5. Step 5: Solve for x
    x = 11,915,840.32/3,894.66
  6. Step 6: Final answer
    x = 3,059.53

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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.