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Finding the Fourth Proportional to 67,363.50, 92,957.36 and 38,662.95

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Solution

The fourth proportional to 67,363.50, 92,957.36 and 38,662.95 is: 53,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,363.50 : 92,957.36 = 38,662.95 : x
  2. Step 2: Convert to fraction form
    67,363.50/92,957.36 = 38,662.95/x
  3. Step 3: Cross multiply
    67,363.50x = 92,957.36 × 38,662.95
  4. Step 4: Simplify right side
    67,363.50x = 3,594,005,917.09
  5. Step 5: Solve for x
    x = 3,594,005,917.09/67,363.50
  6. Step 6: Final answer
    x = 53,352.42

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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.