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Finding the Fourth Proportional to 10,885.44, 16,335.44 and 3,959.94

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Solution

The fourth proportional to 10,885.44, 16,335.44 and 3,959.94 is: 5,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.44 : 16,335.44 = 3,959.94 : x
  2. Step 2: Convert to fraction form
    10,885.44/16,335.44 = 3,959.94/x
  3. Step 3: Cross multiply
    10,885.44x = 16,335.44 × 3,959.94
  4. Step 4: Simplify right side
    10,885.44x = 64,687,326.69
  5. Step 5: Solve for x
    x = 64,687,326.69/10,885.44
  6. Step 6: Final answer
    x = 5,942.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.