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Finding the Fourth Proportional to 16,884, 25,308.72 and 7,029

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Solution

The fourth proportional to 16,884, 25,308.72 and 7,029 is: 10,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,884 : 25,308.72 = 7,029 : x
  2. Step 2: Convert to fraction form
    16,884/25,308.72 = 7,029/x
  3. Step 3: Cross multiply
    16,884x = 25,308.72 × 7,029
  4. Step 4: Simplify right side
    16,884x = 177,894,992.88
  5. Step 5: Solve for x
    x = 177,894,992.88/16,884
  6. Step 6: Final answer
    x = 10,536.31

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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.