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Finding the Fourth Proportional to 7,696.92, 11,541.26 and 3,995.42

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Solution

The fourth proportional to 7,696.92, 11,541.26 and 3,995.42 is: 5,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.92 : 11,541.26 = 3,995.42 : x
  2. Step 2: Convert to fraction form
    7,696.92/11,541.26 = 3,995.42/x
  3. Step 3: Cross multiply
    7,696.92x = 11,541.26 × 3,995.42
  4. Step 4: Simplify right side
    7,696.92x = 46,112,181.03
  5. Step 5: Solve for x
    x = 46,112,181.03/7,696.92
  6. Step 6: Final answer
    x = 5,990.99

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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.