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Finding the Fourth Proportional to 17,512.92, 26,272.44 and 7,651.98

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Solution

The fourth proportional to 17,512.92, 26,272.44 and 7,651.98 is: 11,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,512.92 : 26,272.44 = 7,651.98 : x
  2. Step 2: Convert to fraction form
    17,512.92/26,272.44 = 7,651.98/x
  3. Step 3: Cross multiply
    17,512.92x = 26,272.44 × 7,651.98
  4. Step 4: Simplify right side
    17,512.92x = 201,036,185.43
  5. Step 5: Solve for x
    x = 201,036,185.43/17,512.92
  6. Step 6: Final answer
    x = 11,479.31

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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.