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Finding the Fourth Proportional to 12,449.70, 18,674.41 and 5,052.41

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Solution

The fourth proportional to 12,449.70, 18,674.41 and 5,052.41 is: 7,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.70 : 18,674.41 = 5,052.41 : x
  2. Step 2: Convert to fraction form
    12,449.70/18,674.41 = 5,052.41/x
  3. Step 3: Cross multiply
    12,449.70x = 18,674.41 × 5,052.41
  4. Step 4: Simplify right side
    12,449.70x = 94,350,775.83
  5. Step 5: Solve for x
    x = 94,350,775.83/12,449.70
  6. Step 6: Final answer
    x = 7,578.56

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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.