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Finding the Fourth Proportional to 7,310.94, 10,967.94 and 2,380.86

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Solution

The fourth proportional to 7,310.94, 10,967.94 and 2,380.86 is: 3,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.94 : 10,967.94 = 2,380.86 : x
  2. Step 2: Convert to fraction form
    7,310.94/10,967.94 = 2,380.86/x
  3. Step 3: Cross multiply
    7,310.94x = 10,967.94 × 2,380.86
  4. Step 4: Simplify right side
    7,310.94x = 26,113,129.63
  5. Step 5: Solve for x
    x = 26,113,129.63/7,310.94
  6. Step 6: Final answer
    x = 3,571.79

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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.