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Finding the Fourth Proportional to 5,878.57, 8,112.44 and 3,226

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Solution

The fourth proportional to 5,878.57, 8,112.44 and 3,226 is: 4,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.57 : 8,112.44 = 3,226 : x
  2. Step 2: Convert to fraction form
    5,878.57/8,112.44 = 3,226/x
  3. Step 3: Cross multiply
    5,878.57x = 8,112.44 × 3,226
  4. Step 4: Simplify right side
    5,878.57x = 26,170,731.44
  5. Step 5: Solve for x
    x = 26,170,731.44/5,878.57
  6. Step 6: Final answer
    x = 4,451.89

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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.