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Finding the Fourth Proportional to 11,994.62, 17,994.38 and 4,208.90

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Solution

The fourth proportional to 11,994.62, 17,994.38 and 4,208.90 is: 6,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.62 : 17,994.38 = 4,208.90 : x
  2. Step 2: Convert to fraction form
    11,994.62/17,994.38 = 4,208.90/x
  3. Step 3: Cross multiply
    11,994.62x = 17,994.38 × 4,208.90
  4. Step 4: Simplify right side
    11,994.62x = 75,736,434.97
  5. Step 5: Solve for x
    x = 75,736,434.97/11,994.62
  6. Step 6: Final answer
    x = 6,314.20

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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.