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Finding the Fourth Proportional to 7,997.67, 11,994.84 and 2,729.81

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Solution

The fourth proportional to 7,997.67, 11,994.84 and 2,729.81 is: 4,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.67 : 11,994.84 = 2,729.81 : x
  2. Step 2: Convert to fraction form
    7,997.67/11,994.84 = 2,729.81/x
  3. Step 3: Cross multiply
    7,997.67x = 11,994.84 × 2,729.81
  4. Step 4: Simplify right side
    7,997.67x = 32,743,574.21
  5. Step 5: Solve for x
    x = 32,743,574.21/7,997.67
  6. Step 6: Final answer
    x = 4,094.14

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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.