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Finding the Fourth Proportional to 8,504.92, 12,745.86 and 7,491.16

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Solution

The fourth proportional to 8,504.92, 12,745.86 and 7,491.16 is: 11,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.92 : 12,745.86 = 7,491.16 : x
  2. Step 2: Convert to fraction form
    8,504.92/12,745.86 = 7,491.16/x
  3. Step 3: Cross multiply
    8,504.92x = 12,745.86 × 7,491.16
  4. Step 4: Simplify right side
    8,504.92x = 95,481,276.60
  5. Step 5: Solve for x
    x = 95,481,276.60/8,504.92
  6. Step 6: Final answer
    x = 11,226.59

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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.