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Finding the Fourth Proportional to 16,898.44, 25,347.92 and 5,211.64

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Solution

The fourth proportional to 16,898.44, 25,347.92 and 5,211.64 is: 7,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.44 : 25,347.92 = 5,211.64 : x
  2. Step 2: Convert to fraction form
    16,898.44/25,347.92 = 5,211.64/x
  3. Step 3: Cross multiply
    16,898.44x = 25,347.92 × 5,211.64
  4. Step 4: Simplify right side
    16,898.44x = 132,104,233.79
  5. Step 5: Solve for x
    x = 132,104,233.79/16,898.44
  6. Step 6: Final answer
    x = 7,817.54

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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.