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Finding the Fourth Proportional to 8,086.56, 12,132 and 4,626.24

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Solution

The fourth proportional to 8,086.56, 12,132 and 4,626.24 is: 6,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.56 : 12,132 = 4,626.24 : x
  2. Step 2: Convert to fraction form
    8,086.56/12,132 = 4,626.24/x
  3. Step 3: Cross multiply
    8,086.56x = 12,132 × 4,626.24
  4. Step 4: Simplify right side
    8,086.56x = 56,125,543.68
  5. Step 5: Solve for x
    x = 56,125,543.68/8,086.56
  6. Step 6: Final answer
    x = 6,940.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.