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Finding the Fourth Proportional to 17,028.48, 25,536.48 and 9,428.04

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Solution

The fourth proportional to 17,028.48, 25,536.48 and 9,428.04 is: 14,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,028.48 : 25,536.48 = 9,428.04 : x
  2. Step 2: Convert to fraction form
    17,028.48/25,536.48 = 9,428.04/x
  3. Step 3: Cross multiply
    17,028.48x = 25,536.48 × 9,428.04
  4. Step 4: Simplify right side
    17,028.48x = 240,758,954.90
  5. Step 5: Solve for x
    x = 240,758,954.90/17,028.48
  6. Step 6: Final answer
    x = 14,138.61

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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.