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Finding the Fourth Proportional to 17,293.95, 25,936.77 and 7,928.12

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Solution

The fourth proportional to 17,293.95, 25,936.77 and 7,928.12 is: 11,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,293.95 : 25,936.77 = 7,928.12 : x
  2. Step 2: Convert to fraction form
    17,293.95/25,936.77 = 7,928.12/x
  3. Step 3: Cross multiply
    17,293.95x = 25,936.77 × 7,928.12
  4. Step 4: Simplify right side
    17,293.95x = 205,629,824.97
  5. Step 5: Solve for x
    x = 205,629,824.97/17,293.95
  6. Step 6: Final answer
    x = 11,890.28

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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.