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Finding the Fourth Proportional to 13,591.67, 20,379.30 and 6,093.87

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Solution

The fourth proportional to 13,591.67, 20,379.30 and 6,093.87 is: 9,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.67 : 20,379.30 = 6,093.87 : x
  2. Step 2: Convert to fraction form
    13,591.67/20,379.30 = 6,093.87/x
  3. Step 3: Cross multiply
    13,591.67x = 20,379.30 × 6,093.87
  4. Step 4: Simplify right side
    13,591.67x = 124,188,800.02
  5. Step 5: Solve for x
    x = 124,188,800.02/13,591.67
  6. Step 6: Final answer
    x = 9,137.13

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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.