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Finding the Fourth Proportional to 7,791.34, 10,751.97 and 4,805.98

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Solution

The fourth proportional to 7,791.34, 10,751.97 and 4,805.98 is: 6,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.34 : 10,751.97 = 4,805.98 : x
  2. Step 2: Convert to fraction form
    7,791.34/10,751.97 = 4,805.98/x
  3. Step 3: Cross multiply
    7,791.34x = 10,751.97 × 4,805.98
  4. Step 4: Simplify right side
    7,791.34x = 51,673,752.78
  5. Step 5: Solve for x
    x = 51,673,752.78/7,791.34
  6. Step 6: Final answer
    x = 6,632.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.