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Finding the Fourth Proportional to 36,241.84, 54,362.04 and 20,626

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Solution

The fourth proportional to 36,241.84, 54,362.04 and 20,626 is: 30,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,241.84 : 54,362.04 = 20,626 : x
  2. Step 2: Convert to fraction form
    36,241.84/54,362.04 = 20,626/x
  3. Step 3: Cross multiply
    36,241.84x = 54,362.04 × 20,626
  4. Step 4: Simplify right side
    36,241.84x = 1,121,271,437.04
  5. Step 5: Solve for x
    x = 1,121,271,437.04/36,241.84
  6. Step 6: Final answer
    x = 30,938.59

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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.