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Finding the Fourth Proportional to 17,179.33, 25,770.62 and 5,489.77

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Solution

The fourth proportional to 17,179.33, 25,770.62 and 5,489.77 is: 8,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,179.33 : 25,770.62 = 5,489.77 : x
  2. Step 2: Convert to fraction form
    17,179.33/25,770.62 = 5,489.77/x
  3. Step 3: Cross multiply
    17,179.33x = 25,770.62 × 5,489.77
  4. Step 4: Simplify right side
    17,179.33x = 141,474,776.56
  5. Step 5: Solve for x
    x = 141,474,776.56/17,179.33
  6. Step 6: Final answer
    x = 8,235.17

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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.