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Finding the Fourth Proportional to 5,299.92, 7,313.94 and 2,942.28

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Solution

The fourth proportional to 5,299.92, 7,313.94 and 2,942.28 is: 4,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.92 : 7,313.94 = 2,942.28 : x
  2. Step 2: Convert to fraction form
    5,299.92/7,313.94 = 2,942.28/x
  3. Step 3: Cross multiply
    5,299.92x = 7,313.94 × 2,942.28
  4. Step 4: Simplify right side
    5,299.92x = 21,519,659.38
  5. Step 5: Solve for x
    x = 21,519,659.38/5,299.92
  6. Step 6: Final answer
    x = 4,060.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.