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Finding the Fourth Proportional to 7,441.30, 11,163.30 and 3,734.20

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Solution

The fourth proportional to 7,441.30, 11,163.30 and 3,734.20 is: 5,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.30 : 11,163.30 = 3,734.20 : x
  2. Step 2: Convert to fraction form
    7,441.30/11,163.30 = 3,734.20/x
  3. Step 3: Cross multiply
    7,441.30x = 11,163.30 × 3,734.20
  4. Step 4: Simplify right side
    7,441.30x = 41,685,994.86
  5. Step 5: Solve for x
    x = 41,685,994.86/7,441.30
  6. Step 6: Final answer
    x = 5,601.98

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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.