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Finding the Fourth Proportional to 8,511.08, 11,745.05 and 4,734.05

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Solution

The fourth proportional to 8,511.08, 11,745.05 and 4,734.05 is: 6,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.08 : 11,745.05 = 4,734.05 : x
  2. Step 2: Convert to fraction form
    8,511.08/11,745.05 = 4,734.05/x
  3. Step 3: Cross multiply
    8,511.08x = 11,745.05 × 4,734.05
  4. Step 4: Simplify right side
    8,511.08x = 55,601,571.56
  5. Step 5: Solve for x
    x = 55,601,571.56/8,511.08
  6. Step 6: Final answer
    x = 6,532.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.