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Finding the Fourth Proportional to 22,791.85, 34,177.15 and 6,992.81

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Solution

The fourth proportional to 22,791.85, 34,177.15 and 6,992.81 is: 10,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791.85 : 34,177.15 = 6,992.81 : x
  2. Step 2: Convert to fraction form
    22,791.85/34,177.15 = 6,992.81/x
  3. Step 3: Cross multiply
    22,791.85x = 34,177.15 × 6,992.81
  4. Step 4: Simplify right side
    22,791.85x = 238,994,282.31
  5. Step 5: Solve for x
    x = 238,994,282.31/22,791.85
  6. Step 6: Final answer
    x = 10,485.95

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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.