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Finding the Fourth Proportional to 17,674.36, 26,520.84 and 7,820.44

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Solution

The fourth proportional to 17,674.36, 26,520.84 and 7,820.44 is: 11,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,674.36 : 26,520.84 = 7,820.44 : x
  2. Step 2: Convert to fraction form
    17,674.36/26,520.84 = 7,820.44/x
  3. Step 3: Cross multiply
    17,674.36x = 26,520.84 × 7,820.44
  4. Step 4: Simplify right side
    17,674.36x = 207,404,637.97
  5. Step 5: Solve for x
    x = 207,404,637.97/17,674.36
  6. Step 6: Final answer
    x = 11,734.78

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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.