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Finding the Fourth Proportional to 33,282.40, 49,858.80 and 18,464.80

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Solution

The fourth proportional to 33,282.40, 49,858.80 and 18,464.80 is: 27,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,282.40 : 49,858.80 = 18,464.80 : x
  2. Step 2: Convert to fraction form
    33,282.40/49,858.80 = 18,464.80/x
  3. Step 3: Cross multiply
    33,282.40x = 49,858.80 × 18,464.80
  4. Step 4: Simplify right side
    33,282.40x = 920,632,770.24
  5. Step 5: Solve for x
    x = 920,632,770.24/33,282.40
  6. Step 6: Final answer
    x = 27,661.25

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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.