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Finding the Fourth Proportional to 14,673.98, 20,249.92 and 7,959.48

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Solution

The fourth proportional to 14,673.98, 20,249.92 and 7,959.48 is: 10,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.98 : 20,249.92 = 7,959.48 : x
  2. Step 2: Convert to fraction form
    14,673.98/20,249.92 = 7,959.48/x
  3. Step 3: Cross multiply
    14,673.98x = 20,249.92 × 7,959.48
  4. Step 4: Simplify right side
    14,673.98x = 161,178,833.24
  5. Step 5: Solve for x
    x = 161,178,833.24/14,673.98
  6. Step 6: Final answer
    x = 10,983.99

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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.