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Finding the Fourth Proportional to 17,076.44, 25,619.22 and 5,389.88

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Solution

The fourth proportional to 17,076.44, 25,619.22 and 5,389.88 is: 8,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076.44 : 25,619.22 = 5,389.88 : x
  2. Step 2: Convert to fraction form
    17,076.44/25,619.22 = 5,389.88/x
  3. Step 3: Cross multiply
    17,076.44x = 25,619.22 × 5,389.88
  4. Step 4: Simplify right side
    17,076.44x = 138,084,521.49
  5. Step 5: Solve for x
    x = 138,084,521.49/17,076.44
  6. Step 6: Final answer
    x = 8,086.26

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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.