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Finding the Fourth Proportional to 16,273.62, 22,457.62 and 8,821.62

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Solution

The fourth proportional to 16,273.62, 22,457.62 and 8,821.62 is: 12,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,273.62 : 22,457.62 = 8,821.62 : x
  2. Step 2: Convert to fraction form
    16,273.62/22,457.62 = 8,821.62/x
  3. Step 3: Cross multiply
    16,273.62x = 22,457.62 × 8,821.62
  4. Step 4: Simplify right side
    16,273.62x = 198,112,589.74
  5. Step 5: Solve for x
    x = 198,112,589.74/16,273.62
  6. Step 6: Final answer
    x = 12,173.85

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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.