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Finding the Fourth Proportional to 8,008.88, 11,997.23 and 3,994.16

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Solution

The fourth proportional to 8,008.88, 11,997.23 and 3,994.16 is: 5,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.88 : 11,997.23 = 3,994.16 : x
  2. Step 2: Convert to fraction form
    8,008.88/11,997.23 = 3,994.16/x
  3. Step 3: Cross multiply
    8,008.88x = 11,997.23 × 3,994.16
  4. Step 4: Simplify right side
    8,008.88x = 47,918,776.22
  5. Step 5: Solve for x
    x = 47,918,776.22/8,008.88
  6. Step 6: Final answer
    x = 5,983.21

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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.