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Finding the Fourth Proportional to 17,028.10, 25,519.96 and 8,701.09

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Solution

The fourth proportional to 17,028.10, 25,519.96 and 8,701.09 is: 13,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,028.10 : 25,519.96 = 8,701.09 : x
  2. Step 2: Convert to fraction form
    17,028.10/25,519.96 = 8,701.09/x
  3. Step 3: Cross multiply
    17,028.10x = 25,519.96 × 8,701.09
  4. Step 4: Simplify right side
    17,028.10x = 222,051,468.76
  5. Step 5: Solve for x
    x = 222,051,468.76/17,028.10
  6. Step 6: Final answer
    x = 13,040.30

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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.