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Finding the Fourth Proportional to 40,553.58, 60,792.11 and 19,505.54

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Solution

The fourth proportional to 40,553.58, 60,792.11 and 19,505.54 is: 29,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,553.58 : 60,792.11 = 19,505.54 : x
  2. Step 2: Convert to fraction form
    40,553.58/60,792.11 = 19,505.54/x
  3. Step 3: Cross multiply
    40,553.58x = 60,792.11 × 19,505.54
  4. Step 4: Simplify right side
    40,553.58x = 1,185,782,531.80
  5. Step 5: Solve for x
    x = 1,185,782,531.80/40,553.58
  6. Step 6: Final answer
    x = 29,239.90

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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.