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Finding the Fourth Proportional to 11,759.82, 17,642.79 and 4,366.41

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Solution

The fourth proportional to 11,759.82, 17,642.79 and 4,366.41 is: 6,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.82 : 17,642.79 = 4,366.41 : x
  2. Step 2: Convert to fraction form
    11,759.82/17,642.79 = 4,366.41/x
  3. Step 3: Cross multiply
    11,759.82x = 17,642.79 × 4,366.41
  4. Step 4: Simplify right side
    11,759.82x = 77,035,654.68
  5. Step 5: Solve for x
    x = 77,035,654.68/11,759.82
  6. Step 6: Final answer
    x = 6,550.75

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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.