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Finding the Fourth Proportional to 12,351.69, 18,525.02 and 4,453.97

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Solution

The fourth proportional to 12,351.69, 18,525.02 and 4,453.97 is: 6,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.69 : 18,525.02 = 4,453.97 : x
  2. Step 2: Convert to fraction form
    12,351.69/18,525.02 = 4,453.97/x
  3. Step 3: Cross multiply
    12,351.69x = 18,525.02 × 4,453.97
  4. Step 4: Simplify right side
    12,351.69x = 82,509,768.43
  5. Step 5: Solve for x
    x = 82,509,768.43/12,351.69
  6. Step 6: Final answer
    x = 6,680.04

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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.