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Finding the Fourth Proportional to 3,321.59, 4,550.59 and 3,197.03

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Solution

The fourth proportional to 3,321.59, 4,550.59 and 3,197.03 is: 4,379.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.59 : 4,550.59 = 3,197.03 : x
  2. Step 2: Convert to fraction form
    3,321.59/4,550.59 = 3,197.03/x
  3. Step 3: Cross multiply
    3,321.59x = 4,550.59 × 3,197.03
  4. Step 4: Simplify right side
    3,321.59x = 14,548,357.99
  5. Step 5: Solve for x
    x = 14,548,357.99/3,321.59
  6. Step 6: Final answer
    x = 4,379.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.