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Finding the Fourth Proportional to 11,692.09, 17,538.09 and 2,926.95

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Solution

The fourth proportional to 11,692.09, 17,538.09 and 2,926.95 is: 4,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.09 : 17,538.09 = 2,926.95 : x
  2. Step 2: Convert to fraction form
    11,692.09/17,538.09 = 2,926.95/x
  3. Step 3: Cross multiply
    11,692.09x = 17,538.09 × 2,926.95
  4. Step 4: Simplify right side
    11,692.09x = 51,333,112.53
  5. Step 5: Solve for x
    x = 51,333,112.53/11,692.09
  6. Step 6: Final answer
    x = 4,390.41

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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.