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Finding the Fourth Proportional to 17,213.70, 23,755.02 and 11,241.84

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Solution

The fourth proportional to 17,213.70, 23,755.02 and 11,241.84 is: 15,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.70 : 23,755.02 = 11,241.84 : x
  2. Step 2: Convert to fraction form
    17,213.70/23,755.02 = 11,241.84/x
  3. Step 3: Cross multiply
    17,213.70x = 23,755.02 × 11,241.84
  4. Step 4: Simplify right side
    17,213.70x = 267,050,134.04
  5. Step 5: Solve for x
    x = 267,050,134.04/17,213.70
  6. Step 6: Final answer
    x = 15,513.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.