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Finding the Fourth Proportional to 16,296, 22,488.48 and 10,716.96

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Solution

The fourth proportional to 16,296, 22,488.48 and 10,716.96 is: 14,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,296 : 22,488.48 = 10,716.96 : x
  2. Step 2: Convert to fraction form
    16,296/22,488.48 = 10,716.96/x
  3. Step 3: Cross multiply
    16,296x = 22,488.48 × 10,716.96
  4. Step 4: Simplify right side
    16,296x = 241,008,140.62
  5. Step 5: Solve for x
    x = 241,008,140.62/16,296
  6. Step 6: Final answer
    x = 14,789.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.