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Finding the Fourth Proportional to 52,375.41, 78,531.78 and 35,529.12

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Solution

The fourth proportional to 52,375.41, 78,531.78 and 35,529.12 is: 53,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,375.41 : 78,531.78 = 35,529.12 : x
  2. Step 2: Convert to fraction form
    52,375.41/78,531.78 = 35,529.12/x
  3. Step 3: Cross multiply
    52,375.41x = 78,531.78 × 35,529.12
  4. Step 4: Simplify right side
    52,375.41x = 2,790,165,035.43
  5. Step 5: Solve for x
    x = 2,790,165,035.43/52,375.41
  6. Step 6: Final answer
    x = 53,272.42

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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.