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Finding the Fourth Proportional to 54,879.36, 82,215.36 and 27,093.12

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Solution

The fourth proportional to 54,879.36, 82,215.36 and 27,093.12 is: 40,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879.36 : 82,215.36 = 27,093.12 : x
  2. Step 2: Convert to fraction form
    54,879.36/82,215.36 = 27,093.12/x
  3. Step 3: Cross multiply
    54,879.36x = 82,215.36 × 27,093.12
  4. Step 4: Simplify right side
    54,879.36x = 2,227,470,614.32
  5. Step 5: Solve for x
    x = 2,227,470,614.32/54,879.36
  6. Step 6: Final answer
    x = 40,588.49

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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.