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Finding the Fourth Proportional to 68,039.96, 93,893.28 and 37,824.56

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Solution

The fourth proportional to 68,039.96, 93,893.28 and 37,824.56 is: 52,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,039.96 : 93,893.28 = 37,824.56 : x
  2. Step 2: Convert to fraction form
    68,039.96/93,893.28 = 37,824.56/x
  3. Step 3: Cross multiply
    68,039.96x = 93,893.28 × 37,824.56
  4. Step 4: Simplify right side
    68,039.96x = 3,551,472,002.96
  5. Step 5: Solve for x
    x = 3,551,472,002.96/68,039.96
  6. Step 6: Final answer
    x = 52,196.86

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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.