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Finding the Fourth Proportional to 8,375.49, 12,554.46 and 2,826.90

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Solution

The fourth proportional to 8,375.49, 12,554.46 and 2,826.90 is: 4,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.49 : 12,554.46 = 2,826.90 : x
  2. Step 2: Convert to fraction form
    8,375.49/12,554.46 = 2,826.90/x
  3. Step 3: Cross multiply
    8,375.49x = 12,554.46 × 2,826.90
  4. Step 4: Simplify right side
    8,375.49x = 35,490,202.97
  5. Step 5: Solve for x
    x = 35,490,202.97/8,375.49
  6. Step 6: Final answer
    x = 4,237.39

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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.