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Finding the Fourth Proportional to 22,396.65, 30,902.13 and 18,825.18

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Solution

The fourth proportional to 22,396.65, 30,902.13 and 18,825.18 is: 25,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,396.65 : 30,902.13 = 18,825.18 : x
  2. Step 2: Convert to fraction form
    22,396.65/30,902.13 = 18,825.18/x
  3. Step 3: Cross multiply
    22,396.65x = 30,902.13 × 18,825.18
  4. Step 4: Simplify right side
    22,396.65x = 581,738,159.63
  5. Step 5: Solve for x
    x = 581,738,159.63/22,396.65
  6. Step 6: Final answer
    x = 25,974.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.