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Finding the Fourth Proportional to 17,081.75, 25,626.95 and 4,769.75

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Solution

The fourth proportional to 17,081.75, 25,626.95 and 4,769.75 is: 7,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,081.75 : 25,626.95 = 4,769.75 : x
  2. Step 2: Convert to fraction form
    17,081.75/25,626.95 = 4,769.75/x
  3. Step 3: Cross multiply
    17,081.75x = 25,626.95 × 4,769.75
  4. Step 4: Simplify right side
    17,081.75x = 122,234,144.76
  5. Step 5: Solve for x
    x = 122,234,144.76/17,081.75
  6. Step 6: Final answer
    x = 7,155.83

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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.