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Finding the Fourth Proportional to 67,383.84, 92,989.25 and 37,169.99

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Solution

The fourth proportional to 67,383.84, 92,989.25 and 37,169.99 is: 51,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,383.84 : 92,989.25 = 37,169.99 : x
  2. Step 2: Convert to fraction form
    67,383.84/92,989.25 = 37,169.99/x
  3. Step 3: Cross multiply
    67,383.84x = 92,989.25 × 37,169.99
  4. Step 4: Simplify right side
    67,383.84x = 3,456,408,841.81
  5. Step 5: Solve for x
    x = 3,456,408,841.81/67,383.84
  6. Step 6: Final answer
    x = 51,294.33

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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.