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Finding the Fourth Proportional to 8,745.91, 13,115.00 and 2,504.50

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Solution

The fourth proportional to 8,745.91, 13,115.00 and 2,504.50 is: 3,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.91 : 13,115.00 = 2,504.50 : x
  2. Step 2: Convert to fraction form
    8,745.91/13,115.00 = 2,504.50/x
  3. Step 3: Cross multiply
    8,745.91x = 13,115.00 × 2,504.50
  4. Step 4: Simplify right side
    8,745.91x = 32,846,504.98
  5. Step 5: Solve for x
    x = 32,846,504.98/8,745.91
  6. Step 6: Final answer
    x = 3,755.64

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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.