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Finding the Fourth Proportional to 5,554, 8,324.52 and 3,087.64

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Solution

The fourth proportional to 5,554, 8,324.52 and 3,087.64 is: 4,627.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554 : 8,324.52 = 3,087.64 : x
  2. Step 2: Convert to fraction form
    5,554/8,324.52 = 3,087.64/x
  3. Step 3: Cross multiply
    5,554x = 8,324.52 × 3,087.64
  4. Step 4: Simplify right side
    5,554x = 25,703,120.93
  5. Step 5: Solve for x
    x = 25,703,120.93/5,554
  6. Step 6: Final answer
    x = 4,627.86

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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.