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Finding the Fourth Proportional to 22,472.33, 33,725.91 and 8,445.12

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Solution

The fourth proportional to 22,472.33, 33,725.91 and 8,445.12 is: 12,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,472.33 : 33,725.91 = 8,445.12 : x
  2. Step 2: Convert to fraction form
    22,472.33/33,725.91 = 8,445.12/x
  3. Step 3: Cross multiply
    22,472.33x = 33,725.91 × 8,445.12
  4. Step 4: Simplify right side
    22,472.33x = 284,819,262.26
  5. Step 5: Solve for x
    x = 284,819,262.26/22,472.33
  6. Step 6: Final answer
    x = 12,674.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.