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Finding the Fourth Proportional to 16,917.44, 25,357.28 and 7,053.44

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Solution

The fourth proportional to 16,917.44, 25,357.28 and 7,053.44 is: 10,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.44 : 25,357.28 = 7,053.44 : x
  2. Step 2: Convert to fraction form
    16,917.44/25,357.28 = 7,053.44/x
  3. Step 3: Cross multiply
    16,917.44x = 25,357.28 × 7,053.44
  4. Step 4: Simplify right side
    16,917.44x = 178,856,053.04
  5. Step 5: Solve for x
    x = 178,856,053.04/16,917.44
  6. Step 6: Final answer
    x = 10,572.29

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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.