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Finding the Fourth Proportional to 17,199, 23,676.30 and 15,429.96

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Solution

The fourth proportional to 17,199, 23,676.30 and 15,429.96 is: 21,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199 : 23,676.30 = 15,429.96 : x
  2. Step 2: Convert to fraction form
    17,199/23,676.30 = 15,429.96/x
  3. Step 3: Cross multiply
    17,199x = 23,676.30 × 15,429.96
  4. Step 4: Simplify right side
    17,199x = 365,324,361.95
  5. Step 5: Solve for x
    x = 365,324,361.95/17,199
  6. Step 6: Final answer
    x = 21,241.02

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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.