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Finding the Fourth Proportional to 45,171.66, 67,692.57 and 25,408.47

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Solution

The fourth proportional to 45,171.66, 67,692.57 and 25,408.47 is: 38,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,171.66 : 67,692.57 = 25,408.47 : x
  2. Step 2: Convert to fraction form
    45,171.66/67,692.57 = 25,408.47/x
  3. Step 3: Cross multiply
    45,171.66x = 67,692.57 × 25,408.47
  4. Step 4: Simplify right side
    45,171.66x = 1,719,964,634.07
  5. Step 5: Solve for x
    x = 1,719,964,634.07/45,171.66
  6. Step 6: Final answer
    x = 38,076.19

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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.