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Finding the Fourth Proportional to 5,551.52, 7,661.52 and 3,194.42

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Solution

The fourth proportional to 5,551.52, 7,661.52 and 3,194.42 is: 4,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.52 : 7,661.52 = 3,194.42 : x
  2. Step 2: Convert to fraction form
    5,551.52/7,661.52 = 3,194.42/x
  3. Step 3: Cross multiply
    5,551.52x = 7,661.52 × 3,194.42
  4. Step 4: Simplify right side
    5,551.52x = 24,474,112.72
  5. Step 5: Solve for x
    x = 24,474,112.72/5,551.52
  6. Step 6: Final answer
    x = 4,408.54

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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.