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Finding the Fourth Proportional to 33,284.40, 49,861.80 and 18,466.80

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Solution

The fourth proportional to 33,284.40, 49,861.80 and 18,466.80 is: 27,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,284.40 : 49,861.80 = 18,466.80 : x
  2. Step 2: Convert to fraction form
    33,284.40/49,861.80 = 18,466.80/x
  3. Step 3: Cross multiply
    33,284.40x = 49,861.80 × 18,466.80
  4. Step 4: Simplify right side
    33,284.40x = 920,787,888.24
  5. Step 5: Solve for x
    x = 920,787,888.24/33,284.40
  6. Step 6: Final answer
    x = 27,664.25

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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.