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Finding the Fourth Proportional to 16,294.69, 22,486.67 and 8,842.69

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Solution

The fourth proportional to 16,294.69, 22,486.67 and 8,842.69 is: 12,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,294.69 : 22,486.67 = 8,842.69 : x
  2. Step 2: Convert to fraction form
    16,294.69/22,486.67 = 8,842.69/x
  3. Step 3: Cross multiply
    16,294.69x = 22,486.67 × 8,842.69
  4. Step 4: Simplify right side
    16,294.69x = 198,842,651.94
  5. Step 5: Solve for x
    x = 198,842,651.94/16,294.69
  6. Step 6: Final answer
    x = 12,202.91

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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.