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Finding the Fourth Proportional to 33,321.99, 49,989.99 and 9,629.49

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Solution

The fourth proportional to 33,321.99, 49,989.99 and 9,629.49 is: 14,446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,321.99 : 49,989.99 = 9,629.49 : x
  2. Step 2: Convert to fraction form
    33,321.99/49,989.99 = 9,629.49/x
  3. Step 3: Cross multiply
    33,321.99x = 49,989.99 × 9,629.49
  4. Step 4: Simplify right side
    33,321.99x = 481,378,108.81
  5. Step 5: Solve for x
    x = 481,378,108.81/33,321.99
  6. Step 6: Final answer
    x = 14,446.26

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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.