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Finding the Fourth Proportional to 12,504.44, 18,756.54 and 3,270.44

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Solution

The fourth proportional to 12,504.44, 18,756.54 and 3,270.44 is: 4,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.44 : 18,756.54 = 3,270.44 : x
  2. Step 2: Convert to fraction form
    12,504.44/18,756.54 = 3,270.44/x
  3. Step 3: Cross multiply
    12,504.44x = 18,756.54 × 3,270.44
  4. Step 4: Simplify right side
    12,504.44x = 61,342,138.68
  5. Step 5: Solve for x
    x = 61,342,138.68/12,504.44
  6. Step 6: Final answer
    x = 4,905.63

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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.