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Finding the Fourth Proportional to 11,844.48, 16,336.44 and 8,442.48

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Solution

The fourth proportional to 11,844.48, 16,336.44 and 8,442.48 is: 11,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,844.48 : 16,336.44 = 8,442.48 : x
  2. Step 2: Convert to fraction form
    11,844.48/16,336.44 = 8,442.48/x
  3. Step 3: Cross multiply
    11,844.48x = 16,336.44 × 8,442.48
  4. Step 4: Simplify right side
    11,844.48x = 137,920,067.97
  5. Step 5: Solve for x
    x = 137,920,067.97/11,844.48
  6. Step 6: Final answer
    x = 11,644.25

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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.