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Finding the Fourth Proportional to 7,995.92, 11,027.22 and 5,012.08

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Solution

The fourth proportional to 7,995.92, 11,027.22 and 5,012.08 is: 6,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.92 : 11,027.22 = 5,012.08 : x
  2. Step 2: Convert to fraction form
    7,995.92/11,027.22 = 5,012.08/x
  3. Step 3: Cross multiply
    7,995.92x = 11,027.22 × 5,012.08
  4. Step 4: Simplify right side
    7,995.92x = 55,269,308.82
  5. Step 5: Solve for x
    x = 55,269,308.82/7,995.92
  6. Step 6: Final answer
    x = 6,912.19

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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.