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Finding the Fourth Proportional to 22,017.69, 33,006.27 and 7,974.45

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Solution

The fourth proportional to 22,017.69, 33,006.27 and 7,974.45 is: 11,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.69 : 33,006.27 = 7,974.45 : x
  2. Step 2: Convert to fraction form
    22,017.69/33,006.27 = 7,974.45/x
  3. Step 3: Cross multiply
    22,017.69x = 33,006.27 × 7,974.45
  4. Step 4: Simplify right side
    22,017.69x = 263,206,849.80
  5. Step 5: Solve for x
    x = 263,206,849.80/22,017.69
  6. Step 6: Final answer
    x = 11,954.34

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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.