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Finding the Fourth Proportional to 53,997.89, 81,032.98 and 22,407.98

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Solution

The fourth proportional to 53,997.89, 81,032.98 and 22,407.98 is: 33,626.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,997.89 : 81,032.98 = 22,407.98 : x
  2. Step 2: Convert to fraction form
    53,997.89/81,032.98 = 22,407.98/x
  3. Step 3: Cross multiply
    53,997.89x = 81,032.98 × 22,407.98
  4. Step 4: Simplify right side
    53,997.89x = 1,815,785,169.96
  5. Step 5: Solve for x
    x = 1,815,785,169.96/53,997.89
  6. Step 6: Final answer
    x = 33,626.97

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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.