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Finding the Fourth Proportional to 8,604.63, 12,903.84 and 3,674.61

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Solution

The fourth proportional to 8,604.63, 12,903.84 and 3,674.61 is: 5,510.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.63 : 12,903.84 = 3,674.61 : x
  2. Step 2: Convert to fraction form
    8,604.63/12,903.84 = 3,674.61/x
  3. Step 3: Cross multiply
    8,604.63x = 12,903.84 × 3,674.61
  4. Step 4: Simplify right side
    8,604.63x = 47,416,579.50
  5. Step 5: Solve for x
    x = 47,416,579.50/8,604.63
  6. Step 6: Final answer
    x = 5,510.59

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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.