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Finding the Fourth Proportional to 7,323.71, 10,991.84 and 2,944.17

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Solution

The fourth proportional to 7,323.71, 10,991.84 and 2,944.17 is: 4,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.71 : 10,991.84 = 2,944.17 : x
  2. Step 2: Convert to fraction form
    7,323.71/10,991.84 = 2,944.17/x
  3. Step 3: Cross multiply
    7,323.71x = 10,991.84 × 2,944.17
  4. Step 4: Simplify right side
    7,323.71x = 32,361,830.85
  5. Step 5: Solve for x
    x = 32,361,830.85/7,323.71
  6. Step 6: Final answer
    x = 4,418.78

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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.