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Finding the Fourth Proportional to 7,796.94, 10,759.82 and 4,260.21

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Solution

The fourth proportional to 7,796.94, 10,759.82 and 4,260.21 is: 5,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.94 : 10,759.82 = 4,260.21 : x
  2. Step 2: Convert to fraction form
    7,796.94/10,759.82 = 4,260.21/x
  3. Step 3: Cross multiply
    7,796.94x = 10,759.82 × 4,260.21
  4. Step 4: Simplify right side
    7,796.94x = 45,839,071.46
  5. Step 5: Solve for x
    x = 45,839,071.46/7,796.94
  6. Step 6: Final answer
    x = 5,879.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.