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Finding the Fourth Proportional to 54,667, 81,999.04 and 15,222.52

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Solution

The fourth proportional to 54,667, 81,999.04 and 15,222.52 is: 22,833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,667 : 81,999.04 = 15,222.52 : x
  2. Step 2: Convert to fraction form
    54,667/81,999.04 = 15,222.52/x
  3. Step 3: Cross multiply
    54,667x = 81,999.04 × 15,222.52
  4. Step 4: Simplify right side
    54,667x = 1,248,232,026.38
  5. Step 5: Solve for x
    x = 1,248,232,026.38/54,667
  6. Step 6: Final answer
    x = 22,833.37

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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.