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Finding the Fourth Proportional to 17,179.46, 25,767.93 and 5,489.54

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Solution

The fourth proportional to 17,179.46, 25,767.93 and 5,489.54 is: 8,233.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,179.46 : 25,767.93 = 5,489.54 : x
  2. Step 2: Convert to fraction form
    17,179.46/25,767.93 = 5,489.54/x
  3. Step 3: Cross multiply
    17,179.46x = 25,767.93 × 5,489.54
  4. Step 4: Simplify right side
    17,179.46x = 141,454,082.45
  5. Step 5: Solve for x
    x = 141,454,082.45/17,179.46
  6. Step 6: Final answer
    x = 8,233.91

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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.