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Finding the Fourth Proportional to 52,563.70, 72,540.06 and 29,906.68

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Solution

The fourth proportional to 52,563.70, 72,540.06 and 29,906.68 is: 41,272.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,563.70 : 72,540.06 = 29,906.68 : x
  2. Step 2: Convert to fraction form
    52,563.70/72,540.06 = 29,906.68/x
  3. Step 3: Cross multiply
    52,563.70x = 72,540.06 × 29,906.68
  4. Step 4: Simplify right side
    52,563.70x = 2,169,432,361.60
  5. Step 5: Solve for x
    x = 2,169,432,361.60/52,563.70
  6. Step 6: Final answer
    x = 41,272.44

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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.