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Finding the Fourth Proportional to 11,770.44, 17,651.03 and 4,272.22

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Solution

The fourth proportional to 11,770.44, 17,651.03 and 4,272.22 is: 6,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.44 : 17,651.03 = 4,272.22 : x
  2. Step 2: Convert to fraction form
    11,770.44/17,651.03 = 4,272.22/x
  3. Step 3: Cross multiply
    11,770.44x = 17,651.03 × 4,272.22
  4. Step 4: Simplify right side
    11,770.44x = 75,409,084.09
  5. Step 5: Solve for x
    x = 75,409,084.09/11,770.44
  6. Step 6: Final answer
    x = 6,406.65

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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.