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Finding the Fourth Proportional to 7,134.75, 10,703.75 and 2,517.75

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Solution

The fourth proportional to 7,134.75, 10,703.75 and 2,517.75 is: 3,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.75 : 10,703.75 = 2,517.75 : x
  2. Step 2: Convert to fraction form
    7,134.75/10,703.75 = 2,517.75/x
  3. Step 3: Cross multiply
    7,134.75x = 10,703.75 × 2,517.75
  4. Step 4: Simplify right side
    7,134.75x = 26,949,353.97
  5. Step 5: Solve for x
    x = 26,949,353.97/7,134.75
  6. Step 6: Final answer
    x = 3,777.20

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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.