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Finding the Fourth Proportional to 12,468.44, 17,206.44 and 6,879.44

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Solution

The fourth proportional to 12,468.44, 17,206.44 and 6,879.44 is: 9,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.44 : 17,206.44 = 6,879.44 : x
  2. Step 2: Convert to fraction form
    12,468.44/17,206.44 = 6,879.44/x
  3. Step 3: Cross multiply
    12,468.44x = 17,206.44 × 6,879.44
  4. Step 4: Simplify right side
    12,468.44x = 118,370,654.38
  5. Step 5: Solve for x
    x = 118,370,654.38/12,468.44
  6. Step 6: Final answer
    x = 9,493.62

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1.5x scale

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.