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Finding the Fourth Proportional to 8,755.75, 13,135.80 and 2,599.75

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Solution

The fourth proportional to 8,755.75, 13,135.80 and 2,599.75 is: 3,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.75 : 13,135.80 = 2,599.75 : x
  2. Step 2: Convert to fraction form
    8,755.75/13,135.80 = 2,599.75/x
  3. Step 3: Cross multiply
    8,755.75x = 13,135.80 × 2,599.75
  4. Step 4: Simplify right side
    8,755.75x = 34,149,796.05
  5. Step 5: Solve for x
    x = 34,149,796.05/8,755.75
  6. Step 6: Final answer
    x = 3,900.27

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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.