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Finding the Fourth Proportional to 7,441.64, 11,163.50 and 2,512.70

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Solution

The fourth proportional to 7,441.64, 11,163.50 and 2,512.70 is: 3,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.64 : 11,163.50 = 2,512.70 : x
  2. Step 2: Convert to fraction form
    7,441.64/11,163.50 = 2,512.70/x
  3. Step 3: Cross multiply
    7,441.64x = 11,163.50 × 2,512.70
  4. Step 4: Simplify right side
    7,441.64x = 28,050,526.45
  5. Step 5: Solve for x
    x = 28,050,526.45/7,441.64
  6. Step 6: Final answer
    x = 3,769.40

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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.