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Finding the Fourth Proportional to 89,046.96, 133,557.36 and 33,630

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Solution

The fourth proportional to 89,046.96, 133,557.36 and 33,630 is: 50,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,046.96 : 133,557.36 = 33,630 : x
  2. Step 2: Convert to fraction form
    89,046.96/133,557.36 = 33,630/x
  3. Step 3: Cross multiply
    89,046.96x = 133,557.36 × 33,630
  4. Step 4: Simplify right side
    89,046.96x = 4,491,534,016.80
  5. Step 5: Solve for x
    x = 4,491,534,016.80/89,046.96
  6. Step 6: Final answer
    x = 50,440.06

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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.