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Finding the Fourth Proportional to 4,786.80, 6,604.74 and 2,797.99

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Solution

The fourth proportional to 4,786.80, 6,604.74 and 2,797.99 is: 3,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.80 : 6,604.74 = 2,797.99 : x
  2. Step 2: Convert to fraction form
    4,786.80/6,604.74 = 2,797.99/x
  3. Step 3: Cross multiply
    4,786.80x = 6,604.74 × 2,797.99
  4. Step 4: Simplify right side
    4,786.80x = 18,480,017.11
  5. Step 5: Solve for x
    x = 18,480,017.11/4,786.80
  6. Step 6: Final answer
    x = 3,860.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.