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Finding the Fourth Proportional to 17,023.21, 25,534.99 and 5,178.91

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Solution

The fourth proportional to 17,023.21, 25,534.99 and 5,178.91 is: 7,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,023.21 : 25,534.99 = 5,178.91 : x
  2. Step 2: Convert to fraction form
    17,023.21/25,534.99 = 5,178.91/x
  3. Step 3: Cross multiply
    17,023.21x = 25,534.99 × 5,178.91
  4. Step 4: Simplify right side
    17,023.21x = 132,243,415.06
  5. Step 5: Solve for x
    x = 132,243,415.06/17,023.21
  6. Step 6: Final answer
    x = 7,768.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.