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Finding the Fourth Proportional to 4,839.79, 7,259.67 and 3,195.94

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Solution

The fourth proportional to 4,839.79, 7,259.67 and 3,195.94 is: 4,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.79 : 7,259.67 = 3,195.94 : x
  2. Step 2: Convert to fraction form
    4,839.79/7,259.67 = 3,195.94/x
  3. Step 3: Cross multiply
    4,839.79x = 7,259.67 × 3,195.94
  4. Step 4: Simplify right side
    4,839.79x = 23,201,469.74
  5. Step 5: Solve for x
    x = 23,201,469.74/4,839.79
  6. Step 6: Final answer
    x = 4,793.90

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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.