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Finding the Fourth Proportional to 8,791.95, 13,181.97 and 4,627.54

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Solution

The fourth proportional to 8,791.95, 13,181.97 and 4,627.54 is: 6,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.95 : 13,181.97 = 4,627.54 : x
  2. Step 2: Convert to fraction form
    8,791.95/13,181.97 = 4,627.54/x
  3. Step 3: Cross multiply
    8,791.95x = 13,181.97 × 4,627.54
  4. Step 4: Simplify right side
    8,791.95x = 61,000,093.45
  5. Step 5: Solve for x
    x = 61,000,093.45/8,791.95
  6. Step 6: Final answer
    x = 6,938.18

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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.