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Finding the Fourth Proportional to 67,384, 92,991.84 and 37,577.92

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Solution

The fourth proportional to 67,384, 92,991.84 and 37,577.92 is: 51,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,384 : 92,991.84 = 37,577.92 : x
  2. Step 2: Convert to fraction form
    67,384/92,991.84 = 37,577.92/x
  3. Step 3: Cross multiply
    67,384x = 92,991.84 × 37,577.92
  4. Step 4: Simplify right side
    67,384x = 3,494,439,924.17
  5. Step 5: Solve for x
    x = 3,494,439,924.17/67,384
  6. Step 6: Final answer
    x = 51,858.60

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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.