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Finding the Fourth Proportional to 8,517.84, 11,754.48 and 4,791.84

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Solution

The fourth proportional to 8,517.84, 11,754.48 and 4,791.84 is: 6,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.84 : 11,754.48 = 4,791.84 : x
  2. Step 2: Convert to fraction form
    8,517.84/11,754.48 = 4,791.84/x
  3. Step 3: Cross multiply
    8,517.84x = 11,754.48 × 4,791.84
  4. Step 4: Simplify right side
    8,517.84x = 56,325,587.44
  5. Step 5: Solve for x
    x = 56,325,587.44/8,517.84
  6. Step 6: Final answer
    x = 6,612.66

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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.