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Finding the Fourth Proportional to 38,604.52, 53,273.73 and 21,837.52

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Solution

The fourth proportional to 38,604.52, 53,273.73 and 21,837.52 is: 30,135.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,604.52 : 53,273.73 = 21,837.52 : x
  2. Step 2: Convert to fraction form
    38,604.52/53,273.73 = 21,837.52/x
  3. Step 3: Cross multiply
    38,604.52x = 53,273.73 × 21,837.52
  4. Step 4: Simplify right side
    38,604.52x = 1,163,366,144.35
  5. Step 5: Solve for x
    x = 1,163,366,144.35/38,604.52
  6. Step 6: Final answer
    x = 30,135.49

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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.