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Finding the Fourth Proportional to 8,266.60, 11,168.55 and 8,266.60

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Solution

The fourth proportional to 8,266.60, 11,168.55 and 8,266.60 is: 11,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.60 : 11,168.55 = 8,266.60 : x
  2. Step 2: Convert to fraction form
    8,266.60/11,168.55 = 8,266.60/x
  3. Step 3: Cross multiply
    8,266.60x = 11,168.55 × 8,266.60
  4. Step 4: Simplify right side
    8,266.60x = 92,325,935.43
  5. Step 5: Solve for x
    x = 92,325,935.43/8,266.60
  6. Step 6: Final answer
    x = 11,168.55

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.