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Finding the Fourth Proportional to 18,357.57, 25,333.44 and 9,974.07

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Solution

The fourth proportional to 18,357.57, 25,333.44 and 9,974.07 is: 13,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.57 : 25,333.44 = 9,974.07 : x
  2. Step 2: Convert to fraction form
    18,357.57/25,333.44 = 9,974.07/x
  3. Step 3: Cross multiply
    18,357.57x = 25,333.44 × 9,974.07
  4. Step 4: Simplify right side
    18,357.57x = 252,677,503.90
  5. Step 5: Solve for x
    x = 252,677,503.90/18,357.57
  6. Step 6: Final answer
    x = 13,764.21

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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.