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Finding the Fourth Proportional to 8,066.36, 12,100.90 and 3,135.90

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Solution

The fourth proportional to 8,066.36, 12,100.90 and 3,135.90 is: 4,704.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.36 : 12,100.90 = 3,135.90 : x
  2. Step 2: Convert to fraction form
    8,066.36/12,100.90 = 3,135.90/x
  3. Step 3: Cross multiply
    8,066.36x = 12,100.90 × 3,135.90
  4. Step 4: Simplify right side
    8,066.36x = 37,947,212.31
  5. Step 5: Solve for x
    x = 37,947,212.31/8,066.36
  6. Step 6: Final answer
    x = 4,704.38

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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.