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Finding the Fourth Proportional to 4,879.34, 7,310.19 and 4,104.17

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Solution

The fourth proportional to 4,879.34, 7,310.19 and 4,104.17 is: 6,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.34 : 7,310.19 = 4,104.17 : x
  2. Step 2: Convert to fraction form
    4,879.34/7,310.19 = 4,104.17/x
  3. Step 3: Cross multiply
    4,879.34x = 7,310.19 × 4,104.17
  4. Step 4: Simplify right side
    4,879.34x = 30,002,225.94
  5. Step 5: Solve for x
    x = 30,002,225.94/4,879.34
  6. Step 6: Final answer
    x = 6,148.84

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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.