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Finding the Fourth Proportional to 12,169.91, 16,794.49 and 6,580.91

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Solution

The fourth proportional to 12,169.91, 16,794.49 and 6,580.91 is: 9,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.91 : 16,794.49 = 6,580.91 : x
  2. Step 2: Convert to fraction form
    12,169.91/16,794.49 = 6,580.91/x
  3. Step 3: Cross multiply
    12,169.91x = 16,794.49 × 6,580.91
  4. Step 4: Simplify right side
    12,169.91x = 110,522,943.21
  5. Step 5: Solve for x
    x = 110,522,943.21/12,169.91
  6. Step 6: Final answer
    x = 9,081.66

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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.