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Finding the Fourth Proportional to 8,604.76, 12,908.14 and 3,674.96

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Solution

The fourth proportional to 8,604.76, 12,908.14 and 3,674.96 is: 5,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.76 : 12,908.14 = 3,674.96 : x
  2. Step 2: Convert to fraction form
    8,604.76/12,908.14 = 3,674.96/x
  3. Step 3: Cross multiply
    8,604.76x = 12,908.14 × 3,674.96
  4. Step 4: Simplify right side
    8,604.76x = 47,436,898.17
  5. Step 5: Solve for x
    x = 47,436,898.17/8,604.76
  6. Step 6: Final answer
    x = 5,512.87

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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.