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Finding the Fourth Proportional to 49,791.84, 74,699.36 and 22,092

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Solution

The fourth proportional to 49,791.84, 74,699.36 and 22,092 is: 33,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,791.84 : 74,699.36 = 22,092 : x
  2. Step 2: Convert to fraction form
    49,791.84/74,699.36 = 22,092/x
  3. Step 3: Cross multiply
    49,791.84x = 74,699.36 × 22,092
  4. Step 4: Simplify right side
    49,791.84x = 1,650,258,261.12
  5. Step 5: Solve for x
    x = 1,650,258,261.12/49,791.84
  6. Step 6: Final answer
    x = 33,143.15

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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.