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Finding the Fourth Proportional to 52,906.03, 79,255.19 and 30,672.68

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Solution

The fourth proportional to 52,906.03, 79,255.19 and 30,672.68 is: 45,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,906.03 : 79,255.19 = 30,672.68 : x
  2. Step 2: Convert to fraction form
    52,906.03/79,255.19 = 30,672.68/x
  3. Step 3: Cross multiply
    52,906.03x = 79,255.19 × 30,672.68
  4. Step 4: Simplify right side
    52,906.03x = 2,430,968,761.61
  5. Step 5: Solve for x
    x = 2,430,968,761.61/52,906.03
  6. Step 6: Final answer
    x = 45,948.81

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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.