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Finding the Fourth Proportional to 16,324.84, 22,528.20 and 8,872.84

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Solution

The fourth proportional to 16,324.84, 22,528.20 and 8,872.84 is: 12,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,324.84 : 22,528.20 = 8,872.84 : x
  2. Step 2: Convert to fraction form
    16,324.84/22,528.20 = 8,872.84/x
  3. Step 3: Cross multiply
    16,324.84x = 22,528.20 × 8,872.84
  4. Step 4: Simplify right side
    16,324.84x = 199,889,114.09
  5. Step 5: Solve for x
    x = 199,889,114.09/16,324.84
  6. Step 6: Final answer
    x = 12,244.48

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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.