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Finding the Fourth Proportional to 7,960.70, 11,941.41 and 2,695.56

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Solution

The fourth proportional to 7,960.70, 11,941.41 and 2,695.56 is: 4,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.70 : 11,941.41 = 2,695.56 : x
  2. Step 2: Convert to fraction form
    7,960.70/11,941.41 = 2,695.56/x
  3. Step 3: Cross multiply
    7,960.70x = 11,941.41 × 2,695.56
  4. Step 4: Simplify right side
    7,960.70x = 32,188,787.14
  5. Step 5: Solve for x
    x = 32,188,787.14/7,960.70
  6. Step 6: Final answer
    x = 4,043.46

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1.5x scale

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.