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Finding the Fourth Proportional to 4,936.42, 6,812.42 and 2,698.42

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Solution

The fourth proportional to 4,936.42, 6,812.42 and 2,698.42 is: 3,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.42 : 6,812.42 = 2,698.42 : x
  2. Step 2: Convert to fraction form
    4,936.42/6,812.42 = 2,698.42/x
  3. Step 3: Cross multiply
    4,936.42x = 6,812.42 × 2,698.42
  4. Step 4: Simplify right side
    4,936.42x = 18,382,770.38
  5. Step 5: Solve for x
    x = 18,382,770.38/4,936.42
  6. Step 6: Final answer
    x = 3,723.91

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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.