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Finding the Fourth Proportional to 54,033.44, 81,079.26 and 26,331.44

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Solution

The fourth proportional to 54,033.44, 81,079.26 and 26,331.44 is: 39,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,033.44 : 81,079.26 = 26,331.44 : x
  2. Step 2: Convert to fraction form
    54,033.44/81,079.26 = 26,331.44/x
  3. Step 3: Cross multiply
    54,033.44x = 81,079.26 × 26,331.44
  4. Step 4: Simplify right side
    54,033.44x = 2,134,933,669.93
  5. Step 5: Solve for x
    x = 2,134,933,669.93/54,033.44
  6. Step 6: Final answer
    x = 39,511.34

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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.