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Finding the Fourth Proportional to 3,837.99, 5,728.97 and 3,293.67

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Solution

The fourth proportional to 3,837.99, 5,728.97 and 3,293.67 is: 4,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.99 : 5,728.97 = 3,293.67 : x
  2. Step 2: Convert to fraction form
    3,837.99/5,728.97 = 3,293.67/x
  3. Step 3: Cross multiply
    3,837.99x = 5,728.97 × 3,293.67
  4. Step 4: Simplify right side
    3,837.99x = 18,869,336.62
  5. Step 5: Solve for x
    x = 18,869,336.62/3,837.99
  6. Step 6: Final answer
    x = 4,916.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.