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Finding the Fourth Proportional to 4,894.12, 6,754.21 and 2,769.65

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Solution

The fourth proportional to 4,894.12, 6,754.21 and 2,769.65 is: 3,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.12 : 6,754.21 = 2,769.65 : x
  2. Step 2: Convert to fraction form
    4,894.12/6,754.21 = 2,769.65/x
  3. Step 3: Cross multiply
    4,894.12x = 6,754.21 × 2,769.65
  4. Step 4: Simplify right side
    4,894.12x = 18,706,797.73
  5. Step 5: Solve for x
    x = 18,706,797.73/4,894.12
  6. Step 6: Final answer
    x = 3,822.30

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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.