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Finding the Fourth Proportional to 33,300.80, 49,951.20 and 13,569.20

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Solution

The fourth proportional to 33,300.80, 49,951.20 and 13,569.20 is: 20,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,300.80 : 49,951.20 = 13,569.20 : x
  2. Step 2: Convert to fraction form
    33,300.80/49,951.20 = 13,569.20/x
  3. Step 3: Cross multiply
    33,300.80x = 49,951.20 × 13,569.20
  4. Step 4: Simplify right side
    33,300.80x = 677,797,823.04
  5. Step 5: Solve for x
    x = 677,797,823.04/33,300.80
  6. Step 6: Final answer
    x = 20,353.80

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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.