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Finding the Fourth Proportional to 7,863.94, 11,794.56 and 2,932.26

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Solution

The fourth proportional to 7,863.94, 11,794.56 and 2,932.26 is: 4,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.94 : 11,794.56 = 2,932.26 : x
  2. Step 2: Convert to fraction form
    7,863.94/11,794.56 = 2,932.26/x
  3. Step 3: Cross multiply
    7,863.94x = 11,794.56 × 2,932.26
  4. Step 4: Simplify right side
    7,863.94x = 34,584,716.51
  5. Step 5: Solve for x
    x = 34,584,716.51/7,863.94
  6. Step 6: Final answer
    x = 4,397.89

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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.