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Finding the Fourth Proportional to 11,759.52, 17,634.78 and 3,860.16

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Solution

The fourth proportional to 11,759.52, 17,634.78 and 3,860.16 is: 5,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.52 : 17,634.78 = 3,860.16 : x
  2. Step 2: Convert to fraction form
    11,759.52/17,634.78 = 3,860.16/x
  3. Step 3: Cross multiply
    11,759.52x = 17,634.78 × 3,860.16
  4. Step 4: Simplify right side
    11,759.52x = 68,073,072.36
  5. Step 5: Solve for x
    x = 68,073,072.36/11,759.52
  6. Step 6: Final answer
    x = 5,788.76

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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.