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Finding the Fourth Proportional to 17,579.44, 24,241.44 and 15,070.24

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Solution

The fourth proportional to 17,579.44, 24,241.44 and 15,070.24 is: 20,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579.44 : 24,241.44 = 15,070.24 : x
  2. Step 2: Convert to fraction form
    17,579.44/24,241.44 = 15,070.24/x
  3. Step 3: Cross multiply
    17,579.44x = 24,241.44 × 15,070.24
  4. Step 4: Simplify right side
    17,579.44x = 365,324,318.75
  5. Step 5: Solve for x
    x = 365,324,318.75/17,579.44
  6. Step 6: Final answer
    x = 20,781.34

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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.