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Finding the Fourth Proportional to 33,274.40, 49,911.60 and 30,552.80

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Solution

The fourth proportional to 33,274.40, 49,911.60 and 30,552.80 is: 45,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,274.40 : 49,911.60 = 30,552.80 : x
  2. Step 2: Convert to fraction form
    33,274.40/49,911.60 = 30,552.80/x
  3. Step 3: Cross multiply
    33,274.40x = 49,911.60 × 30,552.80
  4. Step 4: Simplify right side
    33,274.40x = 1,524,939,132.48
  5. Step 5: Solve for x
    x = 1,524,939,132.48/33,274.40
  6. Step 6: Final answer
    x = 45,829.20

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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.