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Finding the Fourth Proportional to 9,791.73, 13,512.60 and 5,599.98

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Solution

The fourth proportional to 9,791.73, 13,512.60 and 5,599.98 is: 7,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791.73 : 13,512.60 = 5,599.98 : x
  2. Step 2: Convert to fraction form
    9,791.73/13,512.60 = 5,599.98/x
  3. Step 3: Cross multiply
    9,791.73x = 13,512.60 × 5,599.98
  4. Step 4: Simplify right side
    9,791.73x = 75,670,289.75
  5. Step 5: Solve for x
    x = 75,670,289.75/9,791.73
  6. Step 6: Final answer
    x = 7,727.98

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1.5x scale

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.