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Finding the Fourth Proportional to 36,491.70, 54,719.31 and 16,753.41

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Solution

The fourth proportional to 36,491.70, 54,719.31 and 16,753.41 is: 25,121.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,491.70 : 54,719.31 = 16,753.41 : x
  2. Step 2: Convert to fraction form
    36,491.70/54,719.31 = 16,753.41/x
  3. Step 3: Cross multiply
    36,491.70x = 54,719.31 × 16,753.41
  4. Step 4: Simplify right side
    36,491.70x = 916,735,035.35
  5. Step 5: Solve for x
    x = 916,735,035.35/36,491.70
  6. Step 6: Final answer
    x = 25,121.74

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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.