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Finding the Fourth Proportional to 18,636.01, 25,714.97 and 10,676.95

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Solution

The fourth proportional to 18,636.01, 25,714.97 and 10,676.95 is: 14,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.01 : 25,714.97 = 10,676.95 : x
  2. Step 2: Convert to fraction form
    18,636.01/25,714.97 = 10,676.95/x
  3. Step 3: Cross multiply
    18,636.01x = 25,714.97 × 10,676.95
  4. Step 4: Simplify right side
    18,636.01x = 274,557,371.31
  5. Step 5: Solve for x
    x = 274,557,371.31/18,636.01
  6. Step 6: Final answer
    x = 14,732.63

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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.