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Finding the Fourth Proportional to 51,104.70, 76,657.05 and 44,543.70

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Solution

The fourth proportional to 51,104.70, 76,657.05 and 44,543.70 is: 66,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,104.70 : 76,657.05 = 44,543.70 : x
  2. Step 2: Convert to fraction form
    51,104.70/76,657.05 = 44,543.70/x
  3. Step 3: Cross multiply
    51,104.70x = 76,657.05 × 44,543.70
  4. Step 4: Simplify right side
    51,104.70x = 3,414,588,638.09
  5. Step 5: Solve for x
    x = 3,414,588,638.09/51,104.70
  6. Step 6: Final answer
    x = 66,815.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.