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Finding the Fourth Proportional to 52,705.96, 72,611.06 and 36,761.96

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Solution

The fourth proportional to 52,705.96, 72,611.06 and 36,761.96 is: 50,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,705.96 : 72,611.06 = 36,761.96 : x
  2. Step 2: Convert to fraction form
    52,705.96/72,611.06 = 36,761.96/x
  3. Step 3: Cross multiply
    52,705.96x = 72,611.06 × 36,761.96
  4. Step 4: Simplify right side
    52,705.96x = 2,669,324,883.28
  5. Step 5: Solve for x
    x = 2,669,324,883.28/52,705.96
  6. Step 6: Final answer
    x = 50,645.60

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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.