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Finding the Fourth Proportional to 33,209.20, 49,813.80 and 29,321.20

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Solution

The fourth proportional to 33,209.20, 49,813.80 and 29,321.20 is: 43,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,209.20 : 49,813.80 = 29,321.20 : x
  2. Step 2: Convert to fraction form
    33,209.20/49,813.80 = 29,321.20/x
  3. Step 3: Cross multiply
    33,209.20x = 49,813.80 × 29,321.20
  4. Step 4: Simplify right side
    33,209.20x = 1,460,600,392.56
  5. Step 5: Solve for x
    x = 1,460,600,392.56/33,209.20
  6. Step 6: Final answer
    x = 43,981.80

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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.