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Finding the Fourth Proportional to 16,268.89, 22,451.07 and 8,816.89

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Solution

The fourth proportional to 16,268.89, 22,451.07 and 8,816.89 is: 12,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,268.89 : 22,451.07 = 8,816.89 : x
  2. Step 2: Convert to fraction form
    16,268.89/22,451.07 = 8,816.89/x
  3. Step 3: Cross multiply
    16,268.89x = 22,451.07 × 8,816.89
  4. Step 4: Simplify right side
    16,268.89x = 197,948,614.57
  5. Step 5: Solve for x
    x = 197,948,614.57/16,268.89
  6. Step 6: Final answer
    x = 12,167.31

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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.