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Finding the Fourth Proportional to 12,472.17, 18,708.51 and 4,676.73

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Solution

The fourth proportional to 12,472.17, 18,708.51 and 4,676.73 is: 7,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.17 : 18,708.51 = 4,676.73 : x
  2. Step 2: Convert to fraction form
    12,472.17/18,708.51 = 4,676.73/x
  3. Step 3: Cross multiply
    12,472.17x = 18,708.51 × 4,676.73
  4. Step 4: Simplify right side
    12,472.17x = 87,494,649.97
  5. Step 5: Solve for x
    x = 87,494,649.97/12,472.17
  6. Step 6: Final answer
    x = 7,015.19

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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.