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Finding the Fourth Proportional to 49,692.16, 68,571.03 and 29,270.98

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Solution

The fourth proportional to 49,692.16, 68,571.03 and 29,270.98 is: 40,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,692.16 : 68,571.03 = 29,270.98 : x
  2. Step 2: Convert to fraction form
    49,692.16/68,571.03 = 29,270.98/x
  3. Step 3: Cross multiply
    49,692.16x = 68,571.03 × 29,270.98
  4. Step 4: Simplify right side
    49,692.16x = 2,007,141,247.71
  5. Step 5: Solve for x
    x = 2,007,141,247.71/49,692.16
  6. Step 6: Final answer
    x = 40,391.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.