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Finding the Fourth Proportional to 6,893.91, 10,346.10 and 5,049.81

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Solution

The fourth proportional to 6,893.91, 10,346.10 and 5,049.81 is: 7,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.91 : 10,346.10 = 5,049.81 : x
  2. Step 2: Convert to fraction form
    6,893.91/10,346.10 = 5,049.81/x
  3. Step 3: Cross multiply
    6,893.91x = 10,346.10 × 5,049.81
  4. Step 4: Simplify right side
    6,893.91x = 52,245,839.24
  5. Step 5: Solve for x
    x = 52,245,839.24/6,893.91
  6. Step 6: Final answer
    x = 7,578.55

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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.