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Finding the Fourth Proportional to 25,606, 38,424.12 and 10,813.96

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Solution

The fourth proportional to 25,606, 38,424.12 and 10,813.96 is: 16,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,606 : 38,424.12 = 10,813.96 : x
  2. Step 2: Convert to fraction form
    25,606/38,424.12 = 10,813.96/x
  3. Step 3: Cross multiply
    25,606x = 38,424.12 × 10,813.96
  4. Step 4: Simplify right side
    25,606x = 415,516,896.72
  5. Step 5: Solve for x
    x = 415,516,896.72/25,606
  6. Step 6: Final answer
    x = 16,227.33

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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.