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Finding the Fourth Proportional to 9,163.99, 13,750.31 and 4,234.58

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Solution

The fourth proportional to 9,163.99, 13,750.31 and 4,234.58 is: 6,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.99 : 13,750.31 = 4,234.58 : x
  2. Step 2: Convert to fraction form
    9,163.99/13,750.31 = 4,234.58/x
  3. Step 3: Cross multiply
    9,163.99x = 13,750.31 × 4,234.58
  4. Step 4: Simplify right side
    9,163.99x = 58,226,757.30
  5. Step 5: Solve for x
    x = 58,226,757.30/9,163.99
  6. Step 6: Final answer
    x = 6,353.87

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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.