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Finding the Fourth Proportional to 8,336.91, 12,500.50 and 2,491.95

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Solution

The fourth proportional to 8,336.91, 12,500.50 and 2,491.95 is: 3,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.91 : 12,500.50 = 2,491.95 : x
  2. Step 2: Convert to fraction form
    8,336.91/12,500.50 = 2,491.95/x
  3. Step 3: Cross multiply
    8,336.91x = 12,500.50 × 2,491.95
  4. Step 4: Simplify right side
    8,336.91x = 31,150,620.98
  5. Step 5: Solve for x
    x = 31,150,620.98/8,336.91
  6. Step 6: Final answer
    x = 3,736.47

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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.