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Finding the Fourth Proportional to 33,124.80, 49,692.12 and 10,940.52

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Solution

The fourth proportional to 33,124.80, 49,692.12 and 10,940.52 is: 16,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,124.80 : 49,692.12 = 10,940.52 : x
  2. Step 2: Convert to fraction form
    33,124.80/49,692.12 = 10,940.52/x
  3. Step 3: Cross multiply
    33,124.80x = 49,692.12 × 10,940.52
  4. Step 4: Simplify right side
    33,124.80x = 543,657,632.70
  5. Step 5: Solve for x
    x = 543,657,632.70/33,124.80
  6. Step 6: Final answer
    x = 16,412.40

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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.