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Finding the Fourth Proportional to 22,639.94, 33,961.78 and 7,057.56

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Solution

The fourth proportional to 22,639.94, 33,961.78 and 7,057.56 is: 10,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.94 : 33,961.78 = 7,057.56 : x
  2. Step 2: Convert to fraction form
    22,639.94/33,961.78 = 7,057.56/x
  3. Step 3: Cross multiply
    22,639.94x = 33,961.78 × 7,057.56
  4. Step 4: Simplify right side
    22,639.94x = 239,687,300.06
  5. Step 5: Solve for x
    x = 239,687,300.06/22,639.94
  6. Step 6: Final answer
    x = 10,586.92

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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.