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Finding the Fourth Proportional to 8,517.83, 11,754.62 and 4,791.83

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Solution

The fourth proportional to 8,517.83, 11,754.62 and 4,791.83 is: 6,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.83 : 11,754.62 = 4,791.83 : x
  2. Step 2: Convert to fraction form
    8,517.83/11,754.62 = 4,791.83/x
  3. Step 3: Cross multiply
    8,517.83x = 11,754.62 × 4,791.83
  4. Step 4: Simplify right side
    8,517.83x = 56,326,058.02
  5. Step 5: Solve for x
    x = 56,326,058.02/8,517.83
  6. Step 6: Final answer
    x = 6,612.73

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1.5x scale

Why These Related Problems?

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