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Finding the Fourth Proportional to 33,110.40, 49,600.80 and 19,923.60

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Solution

The fourth proportional to 33,110.40, 49,600.80 and 19,923.60 is: 29,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.40 : 49,600.80 = 19,923.60 : x
  2. Step 2: Convert to fraction form
    33,110.40/49,600.80 = 19,923.60/x
  3. Step 3: Cross multiply
    33,110.40x = 49,600.80 × 19,923.60
  4. Step 4: Simplify right side
    33,110.40x = 988,226,498.88
  5. Step 5: Solve for x
    x = 988,226,498.88/33,110.40
  6. Step 6: Final answer
    x = 29,846.41

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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.