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Finding the Fourth Proportional to 54,588.44, 81,879.42 and 32,111.76

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Solution

The fourth proportional to 54,588.44, 81,879.42 and 32,111.76 is: 48,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.44 : 81,879.42 = 32,111.76 : x
  2. Step 2: Convert to fraction form
    54,588.44/81,879.42 = 32,111.76/x
  3. Step 3: Cross multiply
    54,588.44x = 81,879.42 × 32,111.76
  4. Step 4: Simplify right side
    54,588.44x = 2,629,292,283.98
  5. Step 5: Solve for x
    x = 2,629,292,283.98/54,588.44
  6. Step 6: Final answer
    x = 48,165.73

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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.