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Finding the Fourth Proportional to 10,604.10, 15,906.15 and 3,679.30

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Solution

The fourth proportional to 10,604.10, 15,906.15 and 3,679.30 is: 5,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.10 : 15,906.15 = 3,679.30 : x
  2. Step 2: Convert to fraction form
    10,604.10/15,906.15 = 3,679.30/x
  3. Step 3: Cross multiply
    10,604.10x = 15,906.15 × 3,679.30
  4. Step 4: Simplify right side
    10,604.10x = 58,523,497.70
  5. Step 5: Solve for x
    x = 58,523,497.70/10,604.10
  6. Step 6: Final answer
    x = 5,518.95

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1.5x scale

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.