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Finding the Fourth Proportional to 8,224.76, 12,336.32 and 2,677.88

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Solution

The fourth proportional to 8,224.76, 12,336.32 and 2,677.88 is: 4,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.76 : 12,336.32 = 2,677.88 : x
  2. Step 2: Convert to fraction form
    8,224.76/12,336.32 = 2,677.88/x
  3. Step 3: Cross multiply
    8,224.76x = 12,336.32 × 2,677.88
  4. Step 4: Simplify right side
    8,224.76x = 33,035,184.60
  5. Step 5: Solve for x
    x = 33,035,184.60/8,224.76
  6. Step 6: Final answer
    x = 4,016.55

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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.