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Finding the Fourth Proportional to 17,080.72, 25,637.08 and 10,519.72

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Solution

The fourth proportional to 17,080.72, 25,637.08 and 10,519.72 is: 15,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,080.72 : 25,637.08 = 10,519.72 : x
  2. Step 2: Convert to fraction form
    17,080.72/25,637.08 = 10,519.72/x
  3. Step 3: Cross multiply
    17,080.72x = 25,637.08 × 10,519.72
  4. Step 4: Simplify right side
    17,080.72x = 269,694,903.22
  5. Step 5: Solve for x
    x = 269,694,903.22/17,080.72
  6. Step 6: Final answer
    x = 15,789.43

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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.