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Finding the Fourth Proportional to 11,918.44, 16,449.06 and 6,950.44

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Solution

The fourth proportional to 11,918.44, 16,449.06 and 6,950.44 is: 9,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.44 : 16,449.06 = 6,950.44 : x
  2. Step 2: Convert to fraction form
    11,918.44/16,449.06 = 6,950.44/x
  3. Step 3: Cross multiply
    11,918.44x = 16,449.06 × 6,950.44
  4. Step 4: Simplify right side
    11,918.44x = 114,328,204.59
  5. Step 5: Solve for x
    x = 114,328,204.59/11,918.44
  6. Step 6: Final answer
    x = 9,592.55

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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.