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Finding the Fourth Proportional to 59,449.70, 89,183.78 and 20,003.74

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Solution

The fourth proportional to 59,449.70, 89,183.78 and 20,003.74 is: 30,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,449.70 : 89,183.78 = 20,003.74 : x
  2. Step 2: Convert to fraction form
    59,449.70/89,183.78 = 20,003.74/x
  3. Step 3: Cross multiply
    59,449.70x = 89,183.78 × 20,003.74
  4. Step 4: Simplify right side
    59,449.70x = 1,784,008,824.36
  5. Step 5: Solve for x
    x = 1,784,008,824.36/59,449.70
  6. Step 6: Final answer
    x = 30,008.71

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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.