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Finding the Fourth Proportional to 36,488.25, 50,361.12 and 20,573.01

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Solution

The fourth proportional to 36,488.25, 50,361.12 and 20,573.01 is: 28,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,488.25 : 50,361.12 = 20,573.01 : x
  2. Step 2: Convert to fraction form
    36,488.25/50,361.12 = 20,573.01/x
  3. Step 3: Cross multiply
    36,488.25x = 50,361.12 × 20,573.01
  4. Step 4: Simplify right side
    36,488.25x = 1,036,079,825.37
  5. Step 5: Solve for x
    x = 1,036,079,825.37/36,488.25
  6. Step 6: Final answer
    x = 28,394.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.