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Finding the Fourth Proportional to 7,163.59, 10,745.90 and 2,999.41

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Solution

The fourth proportional to 7,163.59, 10,745.90 and 2,999.41 is: 4,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.59 : 10,745.90 = 2,999.41 : x
  2. Step 2: Convert to fraction form
    7,163.59/10,745.90 = 2,999.41/x
  3. Step 3: Cross multiply
    7,163.59x = 10,745.90 × 2,999.41
  4. Step 4: Simplify right side
    7,163.59x = 32,231,359.92
  5. Step 5: Solve for x
    x = 32,231,359.92/7,163.59
  6. Step 6: Final answer
    x = 4,499.33

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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.