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Finding the Fourth Proportional to 29,663.18, 40,935.18 and 16,234.44

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Solution

The fourth proportional to 29,663.18, 40,935.18 and 16,234.44 is: 22,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663.18 : 40,935.18 = 16,234.44 : x
  2. Step 2: Convert to fraction form
    29,663.18/40,935.18 = 16,234.44/x
  3. Step 3: Cross multiply
    29,663.18x = 40,935.18 × 16,234.44
  4. Step 4: Simplify right side
    29,663.18x = 664,559,723.60
  5. Step 5: Solve for x
    x = 664,559,723.60/29,663.18
  6. Step 6: Final answer
    x = 22,403.53

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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.