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Finding the Fourth Proportional to 38,231.57, 57,282.63 and 23,409.54

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Solution

The fourth proportional to 38,231.57, 57,282.63 and 23,409.54 is: 35,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.57 : 57,282.63 = 23,409.54 : x
  2. Step 2: Convert to fraction form
    38,231.57/57,282.63 = 23,409.54/x
  3. Step 3: Cross multiply
    38,231.57x = 57,282.63 × 23,409.54
  4. Step 4: Simplify right side
    38,231.57x = 1,340,960,018.29
  5. Step 5: Solve for x
    x = 1,340,960,018.29/38,231.57
  6. Step 6: Final answer
    x = 35,074.68

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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.