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Finding the Fourth Proportional to 66,880.46, 100,324.80 and 22,503.50

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Solution

The fourth proportional to 66,880.46, 100,324.80 and 22,503.50 is: 33,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,880.46 : 100,324.80 = 22,503.50 : x
  2. Step 2: Convert to fraction form
    66,880.46/100,324.80 = 22,503.50/x
  3. Step 3: Cross multiply
    66,880.46x = 100,324.80 × 22,503.50
  4. Step 4: Simplify right side
    66,880.46x = 2,257,659,136.80
  5. Step 5: Solve for x
    x = 2,257,659,136.80/66,880.46
  6. Step 6: Final answer
    x = 33,756.63

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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.