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Finding the Fourth Proportional to 8,914.76, 13,371.90 and 2,674.76

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Solution

The fourth proportional to 8,914.76, 13,371.90 and 2,674.76 is: 4,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.76 : 13,371.90 = 2,674.76 : x
  2. Step 2: Convert to fraction form
    8,914.76/13,371.90 = 2,674.76/x
  3. Step 3: Cross multiply
    8,914.76x = 13,371.90 × 2,674.76
  4. Step 4: Simplify right side
    8,914.76x = 35,766,623.24
  5. Step 5: Solve for x
    x = 35,766,623.24/8,914.76
  6. Step 6: Final answer
    x = 4,012.07

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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.