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Finding the Fourth Proportional to 7,998.06, 11,995.11 and 3,553.28

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Solution

The fourth proportional to 7,998.06, 11,995.11 and 3,553.28 is: 5,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.06 : 11,995.11 = 3,553.28 : x
  2. Step 2: Convert to fraction form
    7,998.06/11,995.11 = 3,553.28/x
  3. Step 3: Cross multiply
    7,998.06x = 11,995.11 × 3,553.28
  4. Step 4: Simplify right side
    7,998.06x = 42,621,924.49
  5. Step 5: Solve for x
    x = 42,621,924.49/7,998.06
  6. Step 6: Final answer
    x = 5,329.03

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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.