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Finding the Fourth Proportional to 7,630.17, 11,451.11 and 3,414.72

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Solution

The fourth proportional to 7,630.17, 11,451.11 and 3,414.72 is: 5,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.17 : 11,451.11 = 3,414.72 : x
  2. Step 2: Convert to fraction form
    7,630.17/11,451.11 = 3,414.72/x
  3. Step 3: Cross multiply
    7,630.17x = 11,451.11 × 3,414.72
  4. Step 4: Simplify right side
    7,630.17x = 39,102,360.21
  5. Step 5: Solve for x
    x = 39,102,360.21/7,630.17
  6. Step 6: Final answer
    x = 5,124.71

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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.