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Finding the Fourth Proportional to 22,398.69, 33,574.60 and 8,353.07

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Solution

The fourth proportional to 22,398.69, 33,574.60 and 8,353.07 is: 12,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.69 : 33,574.60 = 8,353.07 : x
  2. Step 2: Convert to fraction form
    22,398.69/33,574.60 = 8,353.07/x
  3. Step 3: Cross multiply
    22,398.69x = 33,574.60 × 8,353.07
  4. Step 4: Simplify right side
    22,398.69x = 280,450,952.50
  5. Step 5: Solve for x
    x = 280,450,952.50/22,398.69
  6. Step 6: Final answer
    x = 12,520.86

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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.