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Finding the Fourth Proportional to 8,753, 12,079.62 and 5,027.24

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Solution

The fourth proportional to 8,753, 12,079.62 and 5,027.24 is: 6,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753 : 12,079.62 = 5,027.24 : x
  2. Step 2: Convert to fraction form
    8,753/12,079.62 = 5,027.24/x
  3. Step 3: Cross multiply
    8,753x = 12,079.62 × 5,027.24
  4. Step 4: Simplify right side
    8,753x = 60,727,148.85
  5. Step 5: Solve for x
    x = 60,727,148.85/8,753
  6. Step 6: Final answer
    x = 6,937.87

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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.