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Finding the Fourth Proportional to 12,167.33, 16,790.94 and 6,578.33

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Solution

The fourth proportional to 12,167.33, 16,790.94 and 6,578.33 is: 9,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.33 : 16,790.94 = 6,578.33 : x
  2. Step 2: Convert to fraction form
    12,167.33/16,790.94 = 6,578.33/x
  3. Step 3: Cross multiply
    12,167.33x = 16,790.94 × 6,578.33
  4. Step 4: Simplify right side
    12,167.33x = 110,456,315.12
  5. Step 5: Solve for x
    x = 110,456,315.12/12,167.33
  6. Step 6: Final answer
    x = 9,078.11

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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.