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Finding the Fourth Proportional to 17,255.75, 25,883.67 and 4,943.75

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Solution

The fourth proportional to 17,255.75, 25,883.67 and 4,943.75 is: 7,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.75 : 25,883.67 = 4,943.75 : x
  2. Step 2: Convert to fraction form
    17,255.75/25,883.67 = 4,943.75/x
  3. Step 3: Cross multiply
    17,255.75x = 25,883.67 × 4,943.75
  4. Step 4: Simplify right side
    17,255.75x = 127,962,393.56
  5. Step 5: Solve for x
    x = 127,962,393.56/17,255.75
  6. Step 6: Final answer
    x = 7,415.64

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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.