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Finding the Fourth Proportional to 33,899,692.40, 50,830,876.20 and 11,168,889.20

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Solution

The fourth proportional to 33,899,692.40, 50,830,876.20 and 11,168,889.20 is: 16,747,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,899,692.40 : 50,830,876.20 = 11,168,889.20 : x
  2. Step 2: Convert to fraction form
    33,899,692.40/50,830,876.20 = 11,168,889.20/x
  3. Step 3: Cross multiply
    33,899,692.40x = 50,830,876.20 × 11,168,889.20
  4. Step 4: Simplify right side
    33,899,692.40x = 567,724,424,216,717
  5. Step 5: Solve for x
    x = 567,724,424,216,717/33,899,692.40
  6. Step 6: Final answer
    x = 16,747,185.12

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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.