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Finding the Fourth Proportional to 48,998.37, 73,540.22 and 27,980.49

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Solution

The fourth proportional to 48,998.37, 73,540.22 and 27,980.49 is: 41,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,998.37 : 73,540.22 = 27,980.49 : x
  2. Step 2: Convert to fraction form
    48,998.37/73,540.22 = 27,980.49/x
  3. Step 3: Cross multiply
    48,998.37x = 73,540.22 × 27,980.49
  4. Step 4: Simplify right side
    48,998.37x = 2,057,691,250.41
  5. Step 5: Solve for x
    x = 2,057,691,250.41/48,998.37
  6. Step 6: Final answer
    x = 41,995.10

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Double scale
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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.