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Finding the Fourth Proportional to 3,323.70, 4,981.23 and 2,550.42

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Solution

The fourth proportional to 3,323.70, 4,981.23 and 2,550.42 is: 3,822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.70 : 4,981.23 = 2,550.42 : x
  2. Step 2: Convert to fraction form
    3,323.70/4,981.23 = 2,550.42/x
  3. Step 3: Cross multiply
    3,323.70x = 4,981.23 × 2,550.42
  4. Step 4: Simplify right side
    3,323.70x = 12,704,228.62
  5. Step 5: Solve for x
    x = 12,704,228.62/3,323.70
  6. Step 6: Final answer
    x = 3,822.32

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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.