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Finding the Fourth Proportional to 67,384, 92,988 and 37,169.44

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Solution

The fourth proportional to 67,384, 92,988 and 37,169.44 is: 51,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,384 : 92,988 = 37,169.44 : x
  2. Step 2: Convert to fraction form
    67,384/92,988 = 37,169.44/x
  3. Step 3: Cross multiply
    67,384x = 92,988 × 37,169.44
  4. Step 4: Simplify right side
    67,384x = 3,456,311,886.72
  5. Step 5: Solve for x
    x = 3,456,311,886.72/67,384
  6. Step 6: Final answer
    x = 51,292.77

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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.