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Finding the Fourth Proportional to 8,566.37, 12,850.93 and 2,641.86

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Solution

The fourth proportional to 8,566.37, 12,850.93 and 2,641.86 is: 3,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.37 : 12,850.93 = 2,641.86 : x
  2. Step 2: Convert to fraction form
    8,566.37/12,850.93 = 2,641.86/x
  3. Step 3: Cross multiply
    8,566.37x = 12,850.93 × 2,641.86
  4. Step 4: Simplify right side
    8,566.37x = 33,950,351.33
  5. Step 5: Solve for x
    x = 33,950,351.33/8,566.37
  6. Step 6: Final answer
    x = 3,963.22

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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.