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Finding the Fourth Proportional to 67,310.90, 92,888.63 and 36,683.96

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Solution

The fourth proportional to 67,310.90, 92,888.63 and 36,683.96 is: 50,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,310.90 : 92,888.63 = 36,683.96 : x
  2. Step 2: Convert to fraction form
    67,310.90/92,888.63 = 36,683.96/x
  3. Step 3: Cross multiply
    67,310.90x = 92,888.63 × 36,683.96
  4. Step 4: Simplify right side
    67,310.90x = 3,407,522,380.25
  5. Step 5: Solve for x
    x = 3,407,522,380.25/67,310.90
  6. Step 6: Final answer
    x = 50,623.64

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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.