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Finding the Fourth Proportional to 17,183.70, 25,775.55 and 7,319.70

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Solution

The fourth proportional to 17,183.70, 25,775.55 and 7,319.70 is: 10,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,183.70 : 25,775.55 = 7,319.70 : x
  2. Step 2: Convert to fraction form
    17,183.70/25,775.55 = 7,319.70/x
  3. Step 3: Cross multiply
    17,183.70x = 25,775.55 × 7,319.70
  4. Step 4: Simplify right side
    17,183.70x = 188,669,293.34
  5. Step 5: Solve for x
    x = 188,669,293.34/17,183.70
  6. Step 6: Final answer
    x = 10,979.55

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Similar ratio
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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.