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Finding the Fourth Proportional to 22,628.80, 33,935.09 and 7,833.74

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Solution

The fourth proportional to 22,628.80, 33,935.09 and 7,833.74 is: 11,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.80 : 33,935.09 = 7,833.74 : x
  2. Step 2: Convert to fraction form
    22,628.80/33,935.09 = 7,833.74/x
  3. Step 3: Cross multiply
    22,628.80x = 33,935.09 × 7,833.74
  4. Step 4: Simplify right side
    22,628.80x = 265,838,671.94
  5. Step 5: Solve for x
    x = 265,838,671.94/22,628.80
  6. Step 6: Final answer
    x = 11,747.81

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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.