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Finding the Fourth Proportional to 44,692.38, 66,936.51 and 21,335.22

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Solution

The fourth proportional to 44,692.38, 66,936.51 and 21,335.22 is: 31,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,692.38 : 66,936.51 = 21,335.22 : x
  2. Step 2: Convert to fraction form
    44,692.38/66,936.51 = 21,335.22/x
  3. Step 3: Cross multiply
    44,692.38x = 66,936.51 × 21,335.22
  4. Step 4: Simplify right side
    44,692.38x = 1,428,105,166.88
  5. Step 5: Solve for x
    x = 1,428,105,166.88/44,692.38
  6. Step 6: Final answer
    x = 31,954.11

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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.