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Finding the Fourth Proportional to 73,022.74, 100,739.37 and 42,792.73

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Solution

The fourth proportional to 73,022.74, 100,739.37 and 42,792.73 is: 59,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,022.74 : 100,739.37 = 42,792.73 : x
  2. Step 2: Convert to fraction form
    73,022.74/100,739.37 = 42,792.73/x
  3. Step 3: Cross multiply
    73,022.74x = 100,739.37 × 42,792.73
  4. Step 4: Simplify right side
    73,022.74x = 4,310,912,660.78
  5. Step 5: Solve for x
    x = 4,310,912,660.78/73,022.74
  6. Step 6: Final answer
    x = 59,035.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.