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Finding the Fourth Proportional to 81,647.97, 122,471.96 and 22,484.22

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Solution

The fourth proportional to 81,647.97, 122,471.96 and 22,484.22 is: 33,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,647.97 : 122,471.96 = 22,484.22 : x
  2. Step 2: Convert to fraction form
    81,647.97/122,471.96 = 22,484.22/x
  3. Step 3: Cross multiply
    81,647.97x = 122,471.96 × 22,484.22
  4. Step 4: Simplify right side
    81,647.97x = 2,753,686,380.05
  5. Step 5: Solve for x
    x = 2,753,686,380.05/81,647.97
  6. Step 6: Final answer
    x = 33,726.33

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Double scale
Find fourth proportional to 81,648.97, 122,473.46 and 22,485.22
Similar ratio
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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.