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Finding the Fourth Proportional to 22,411.26, 33,616.98 and 6,828.84

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Solution

The fourth proportional to 22,411.26, 33,616.98 and 6,828.84 is: 10,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,411.26 : 33,616.98 = 6,828.84 : x
  2. Step 2: Convert to fraction form
    22,411.26/33,616.98 = 6,828.84/x
  3. Step 3: Cross multiply
    22,411.26x = 33,616.98 × 6,828.84
  4. Step 4: Simplify right side
    22,411.26x = 229,564,977.70
  5. Step 5: Solve for x
    x = 229,564,977.70/22,411.26
  6. Step 6: Final answer
    x = 10,243.29

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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.