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Finding the Fourth Proportional to 38,571.41, 53,233.48 and 21,576.60

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Solution

The fourth proportional to 38,571.41, 53,233.48 and 21,576.60 is: 29,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.41 : 53,233.48 = 21,576.60 : x
  2. Step 2: Convert to fraction form
    38,571.41/53,233.48 = 21,576.60/x
  3. Step 3: Cross multiply
    38,571.41x = 53,233.48 × 21,576.60
  4. Step 4: Simplify right side
    38,571.41x = 1,148,597,450.63
  5. Step 5: Solve for x
    x = 1,148,597,450.63/38,571.41
  6. Step 6: Final answer
    x = 29,778.46

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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.