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Finding the Fourth Proportional to 22,036.44, 33,043.68 and 7,243.68

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Solution

The fourth proportional to 22,036.44, 33,043.68 and 7,243.68 is: 10,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.44 : 33,043.68 = 7,243.68 : x
  2. Step 2: Convert to fraction form
    22,036.44/33,043.68 = 7,243.68/x
  3. Step 3: Cross multiply
    22,036.44x = 33,043.68 × 7,243.68
  4. Step 4: Simplify right side
    22,036.44x = 239,357,843.94
  5. Step 5: Solve for x
    x = 239,357,843.94/22,036.44
  6. Step 6: Final answer
    x = 10,861.91

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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.