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Finding the Fourth Proportional to 6,884.78, 10,324.55 and 2,933.55

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Solution

The fourth proportional to 6,884.78, 10,324.55 and 2,933.55 is: 4,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.78 : 10,324.55 = 2,933.55 : x
  2. Step 2: Convert to fraction form
    6,884.78/10,324.55 = 2,933.55/x
  3. Step 3: Cross multiply
    6,884.78x = 10,324.55 × 2,933.55
  4. Step 4: Simplify right side
    6,884.78x = 30,287,583.65
  5. Step 5: Solve for x
    x = 30,287,583.65/6,884.78
  6. Step 6: Final answer
    x = 4,399.21

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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.