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Finding the Fourth Proportional to 9,791.84, 14,650.96 and 5,828.52

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Solution

The fourth proportional to 9,791.84, 14,650.96 and 5,828.52 is: 8,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791.84 : 14,650.96 = 5,828.52 : x
  2. Step 2: Convert to fraction form
    9,791.84/14,650.96 = 5,828.52/x
  3. Step 3: Cross multiply
    9,791.84x = 14,650.96 × 5,828.52
  4. Step 4: Simplify right side
    9,791.84x = 85,393,413.38
  5. Step 5: Solve for x
    x = 85,393,413.38/9,791.84
  6. Step 6: Final answer
    x = 8,720.88

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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.