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Finding the Fourth Proportional to 7,955.82, 11,940.11 and 4,260.70

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Solution

The fourth proportional to 7,955.82, 11,940.11 and 4,260.70 is: 6,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.82 : 11,940.11 = 4,260.70 : x
  2. Step 2: Convert to fraction form
    7,955.82/11,940.11 = 4,260.70/x
  3. Step 3: Cross multiply
    7,955.82x = 11,940.11 × 4,260.70
  4. Step 4: Simplify right side
    7,955.82x = 50,873,236.28
  5. Step 5: Solve for x
    x = 50,873,236.28/7,955.82
  6. Step 6: Final answer
    x = 6,394.47

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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.