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Finding the Fourth Proportional to 6,482.73, 9,722.73 and 2,786.70

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Solution

The fourth proportional to 6,482.73, 9,722.73 and 2,786.70 is: 4,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.73 : 9,722.73 = 2,786.70 : x
  2. Step 2: Convert to fraction form
    6,482.73/9,722.73 = 2,786.70/x
  3. Step 3: Cross multiply
    6,482.73x = 9,722.73 × 2,786.70
  4. Step 4: Simplify right side
    6,482.73x = 27,094,378.60
  5. Step 5: Solve for x
    x = 27,094,378.60/6,482.73
  6. Step 6: Final answer
    x = 4,179.47

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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.