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Finding the Fourth Proportional to 8,793.54, 13,176.54 and 5,274.90

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Solution

The fourth proportional to 8,793.54, 13,176.54 and 5,274.90 is: 7,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.54 : 13,176.54 = 5,274.90 : x
  2. Step 2: Convert to fraction form
    8,793.54/13,176.54 = 5,274.90/x
  3. Step 3: Cross multiply
    8,793.54x = 13,176.54 × 5,274.90
  4. Step 4: Simplify right side
    8,793.54x = 69,504,930.85
  5. Step 5: Solve for x
    x = 69,504,930.85/8,793.54
  6. Step 6: Final answer
    x = 7,904.09

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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.