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Finding the Fourth Proportional to 18,474.75, 27,716.51 and 5,994.81

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Solution

The fourth proportional to 18,474.75, 27,716.51 and 5,994.81 is: 8,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.75 : 27,716.51 = 5,994.81 : x
  2. Step 2: Convert to fraction form
    18,474.75/27,716.51 = 5,994.81/x
  3. Step 3: Cross multiply
    18,474.75x = 27,716.51 × 5,994.81
  4. Step 4: Simplify right side
    18,474.75x = 166,155,226.30
  5. Step 5: Solve for x
    x = 166,155,226.30/18,474.75
  6. Step 6: Final answer
    x = 8,993.64

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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.