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Finding the Fourth Proportional to 2,849.38, 4,274.79 and 797.38

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Solution

The fourth proportional to 2,849.38, 4,274.79 and 797.38 is: 1,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.38 : 4,274.79 = 797.38 : x
  2. Step 2: Convert to fraction form
    2,849.38/4,274.79 = 797.38/x
  3. Step 3: Cross multiply
    2,849.38x = 4,274.79 × 797.38
  4. Step 4: Simplify right side
    2,849.38x = 3,408,632.05
  5. Step 5: Solve for x
    x = 3,408,632.05/2,849.38
  6. Step 6: Final answer
    x = 1,196.27

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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.