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Finding the Fourth Proportional to 7,446.45, 11,168.45 and 2,515.98

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Solution

The fourth proportional to 7,446.45, 11,168.45 and 2,515.98 is: 3,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.45 : 11,168.45 = 2,515.98 : x
  2. Step 2: Convert to fraction form
    7,446.45/11,168.45 = 2,515.98/x
  3. Step 3: Cross multiply
    7,446.45x = 11,168.45 × 2,515.98
  4. Step 4: Simplify right side
    7,446.45x = 28,099,540.99
  5. Step 5: Solve for x
    x = 28,099,540.99/7,446.45
  6. Step 6: Final answer
    x = 3,773.55

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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.