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Finding the Fourth Proportional to 33,104.40, 49,643.40 and 10,911.60

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Solution

The fourth proportional to 33,104.40, 49,643.40 and 10,911.60 is: 16,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,104.40 : 49,643.40 = 10,911.60 : x
  2. Step 2: Convert to fraction form
    33,104.40/49,643.40 = 10,911.60/x
  3. Step 3: Cross multiply
    33,104.40x = 49,643.40 × 10,911.60
  4. Step 4: Simplify right side
    33,104.40x = 541,688,923.44
  5. Step 5: Solve for x
    x = 541,688,923.44/33,104.40
  6. Step 6: Final answer
    x = 16,363.05

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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.