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Finding the Fourth Proportional to 6,991.97, 10,487.97 and 4,794.03

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Solution

The fourth proportional to 6,991.97, 10,487.97 and 4,794.03 is: 7,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.97 : 10,487.97 = 4,794.03 : x
  2. Step 2: Convert to fraction form
    6,991.97/10,487.97 = 4,794.03/x
  3. Step 3: Cross multiply
    6,991.97x = 10,487.97 × 4,794.03
  4. Step 4: Simplify right side
    6,991.97x = 50,279,642.82
  5. Step 5: Solve for x
    x = 50,279,642.82/6,991.97
  6. Step 6: Final answer
    x = 7,191.06

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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.