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Finding the Fourth Proportional to 6,791.54, 10,155.56 and 4,837.82

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Solution

The fourth proportional to 6,791.54, 10,155.56 and 4,837.82 is: 7,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.54 : 10,155.56 = 4,837.82 : x
  2. Step 2: Convert to fraction form
    6,791.54/10,155.56 = 4,837.82/x
  3. Step 3: Cross multiply
    6,791.54x = 10,155.56 × 4,837.82
  4. Step 4: Simplify right side
    6,791.54x = 49,130,771.28
  5. Step 5: Solve for x
    x = 49,130,771.28/6,791.54
  6. Step 6: Final answer
    x = 7,234.11

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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.