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Finding the Fourth Proportional to 35,462.41, 48,940.20 and 20,355.10

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Solution

The fourth proportional to 35,462.41, 48,940.20 and 20,355.10 is: 28,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,462.41 : 48,940.20 = 20,355.10 : x
  2. Step 2: Convert to fraction form
    35,462.41/48,940.20 = 20,355.10/x
  3. Step 3: Cross multiply
    35,462.41x = 48,940.20 × 20,355.10
  4. Step 4: Simplify right side
    35,462.41x = 996,182,542.67
  5. Step 5: Solve for x
    x = 996,182,542.67/35,462.41
  6. Step 6: Final answer
    x = 28,091.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.