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Finding the Fourth Proportional to 16,324.70, 22,528.07 and 8,872.70

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Solution

The fourth proportional to 16,324.70, 22,528.07 and 8,872.70 is: 12,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,324.70 : 22,528.07 = 8,872.70 : x
  2. Step 2: Convert to fraction form
    16,324.70/22,528.07 = 8,872.70/x
  3. Step 3: Cross multiply
    16,324.70x = 22,528.07 × 8,872.70
  4. Step 4: Simplify right side
    16,324.70x = 199,884,649.69
  5. Step 5: Solve for x
    x = 199,884,649.69/16,324.70
  6. Step 6: Final answer
    x = 12,244.31

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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.