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Finding the Fourth Proportional to 22,633.92, 33,911.68 and 12,252.80

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Solution

The fourth proportional to 22,633.92, 33,911.68 and 12,252.80 is: 18,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,633.92 : 33,911.68 = 12,252.80 : x
  2. Step 2: Convert to fraction form
    22,633.92/33,911.68 = 12,252.80/x
  3. Step 3: Cross multiply
    22,633.92x = 33,911.68 × 12,252.80
  4. Step 4: Simplify right side
    22,633.92x = 415,513,032.70
  5. Step 5: Solve for x
    x = 415,513,032.70/22,633.92
  6. Step 6: Final answer
    x = 18,357.98

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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.