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Finding the Fourth Proportional to 13,076.24, 18,050.45 and 8,042.49

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Solution

The fourth proportional to 13,076.24, 18,050.45 and 8,042.49 is: 11,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.24 : 18,050.45 = 8,042.49 : x
  2. Step 2: Convert to fraction form
    13,076.24/18,050.45 = 8,042.49/x
  3. Step 3: Cross multiply
    13,076.24x = 18,050.45 × 8,042.49
  4. Step 4: Simplify right side
    13,076.24x = 145,170,523.41
  5. Step 5: Solve for x
    x = 145,170,523.41/13,076.24
  6. Step 6: Final answer
    x = 11,101.86

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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.