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Finding the Fourth Proportional to 54,017.90, 80,998.05 and 22,817.90

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Solution

The fourth proportional to 54,017.90, 80,998.05 and 22,817.90 is: 34,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,017.90 : 80,998.05 = 22,817.90 : x
  2. Step 2: Convert to fraction form
    54,017.90/80,998.05 = 22,817.90/x
  3. Step 3: Cross multiply
    54,017.90x = 80,998.05 × 22,817.90
  4. Step 4: Simplify right side
    54,017.90x = 1,848,205,405.10
  5. Step 5: Solve for x
    x = 1,848,205,405.10/54,017.90
  6. Step 6: Final answer
    x = 34,214.68

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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.