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Finding the Fourth Proportional to 17,157.40, 25,738.02 and 5,467.96

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Solution

The fourth proportional to 17,157.40, 25,738.02 and 5,467.96 is: 8,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.40 : 25,738.02 = 5,467.96 : x
  2. Step 2: Convert to fraction form
    17,157.40/25,738.02 = 5,467.96/x
  3. Step 3: Cross multiply
    17,157.40x = 25,738.02 × 5,467.96
  4. Step 4: Simplify right side
    17,157.40x = 140,734,463.84
  5. Step 5: Solve for x
    x = 140,734,463.84/17,157.40
  6. Step 6: Final answer
    x = 8,202.55

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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.