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Finding the Fourth Proportional to 7,183.74, 10,775.16 and 3,021.54

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Solution

The fourth proportional to 7,183.74, 10,775.16 and 3,021.54 is: 4,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.74 : 10,775.16 = 3,021.54 : x
  2. Step 2: Convert to fraction form
    7,183.74/10,775.16 = 3,021.54/x
  3. Step 3: Cross multiply
    7,183.74x = 10,775.16 × 3,021.54
  4. Step 4: Simplify right side
    7,183.74x = 32,557,576.95
  5. Step 5: Solve for x
    x = 32,557,576.95/7,183.74
  6. Step 6: Final answer
    x = 4,532.12

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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.