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Finding the Fourth Proportional to 22,571.34, 33,918.30 and 12,048.69

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Solution

The fourth proportional to 22,571.34, 33,918.30 and 12,048.69 is: 18,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571.34 : 33,918.30 = 12,048.69 : x
  2. Step 2: Convert to fraction form
    22,571.34/33,918.30 = 12,048.69/x
  3. Step 3: Cross multiply
    22,571.34x = 33,918.30 × 12,048.69
  4. Step 4: Simplify right side
    22,571.34x = 408,671,082.03
  5. Step 5: Solve for x
    x = 408,671,082.03/22,571.34
  6. Step 6: Final answer
    x = 18,105.75

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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.