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Finding the Fourth Proportional to 4,871.14, 6,723.55 and 2,882.39

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Solution

The fourth proportional to 4,871.14, 6,723.55 and 2,882.39 is: 3,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.14 : 6,723.55 = 2,882.39 : x
  2. Step 2: Convert to fraction form
    4,871.14/6,723.55 = 2,882.39/x
  3. Step 3: Cross multiply
    4,871.14x = 6,723.55 × 2,882.39
  4. Step 4: Simplify right side
    4,871.14x = 19,379,893.28
  5. Step 5: Solve for x
    x = 19,379,893.28/4,871.14
  6. Step 6: Final answer
    x = 3,978.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.