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Finding the Fourth Proportional to 71,625.39, 107,438.09 and 27,241.89

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Solution

The fourth proportional to 71,625.39, 107,438.09 and 27,241.89 is: 40,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,625.39 : 107,438.09 = 27,241.89 : x
  2. Step 2: Convert to fraction form
    71,625.39/107,438.09 = 27,241.89/x
  3. Step 3: Cross multiply
    71,625.39x = 107,438.09 × 27,241.89
  4. Step 4: Simplify right side
    71,625.39x = 2,926,816,493.38
  5. Step 5: Solve for x
    x = 2,926,816,493.38/71,625.39
  6. Step 6: Final answer
    x = 40,862.84

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1.5x scale

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.