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Finding the Fourth Proportional to 10,898.44, 16,347.67 and 2,690.44

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Solution

The fourth proportional to 10,898.44, 16,347.67 and 2,690.44 is: 4,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.44 : 16,347.67 = 2,690.44 : x
  2. Step 2: Convert to fraction form
    10,898.44/16,347.67 = 2,690.44/x
  3. Step 3: Cross multiply
    10,898.44x = 16,347.67 × 2,690.44
  4. Step 4: Simplify right side
    10,898.44x = 43,982,377.68
  5. Step 5: Solve for x
    x = 43,982,377.68/10,898.44
  6. Step 6: Final answer
    x = 4,035.66

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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.