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Finding the Fourth Proportional to 62,568.73, 93,860.37 and 20,451.97

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Solution

The fourth proportional to 62,568.73, 93,860.37 and 20,451.97 is: 30,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,568.73 : 93,860.37 = 20,451.97 : x
  2. Step 2: Convert to fraction form
    62,568.73/93,860.37 = 20,451.97/x
  3. Step 3: Cross multiply
    62,568.73x = 93,860.37 × 20,451.97
  4. Step 4: Simplify right side
    62,568.73x = 1,919,629,471.43
  5. Step 5: Solve for x
    x = 1,919,629,471.43/62,568.73
  6. Step 6: Final answer
    x = 30,680.33

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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.