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Finding the Fourth Proportional to 16,791.36, 25,187.36 and 5,104

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Solution

The fourth proportional to 16,791.36, 25,187.36 and 5,104 is: 7,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.36 : 25,187.36 = 5,104 : x
  2. Step 2: Convert to fraction form
    16,791.36/25,187.36 = 5,104/x
  3. Step 3: Cross multiply
    16,791.36x = 25,187.36 × 5,104
  4. Step 4: Simplify right side
    16,791.36x = 128,556,285.44
  5. Step 5: Solve for x
    x = 128,556,285.44/16,791.36
  6. Step 6: Final answer
    x = 7,656.10

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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.