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Finding the Fourth Proportional to 8,855.88, 13,283.81 and 2,699.88

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Solution

The fourth proportional to 8,855.88, 13,283.81 and 2,699.88 is: 4,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.88 : 13,283.81 = 2,699.88 : x
  2. Step 2: Convert to fraction form
    8,855.88/13,283.81 = 2,699.88/x
  3. Step 3: Cross multiply
    8,855.88x = 13,283.81 × 2,699.88
  4. Step 4: Simplify right side
    8,855.88x = 35,864,692.94
  5. Step 5: Solve for x
    x = 35,864,692.94/8,855.88
  6. Step 6: Final answer
    x = 4,049.82

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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.