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Finding the Fourth Proportional to 29,340.44, 40,489.09 and 16,764.38

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Solution

The fourth proportional to 29,340.44, 40,489.09 and 16,764.38 is: 23,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,340.44 : 40,489.09 = 16,764.38 : x
  2. Step 2: Convert to fraction form
    29,340.44/40,489.09 = 16,764.38/x
  3. Step 3: Cross multiply
    29,340.44x = 40,489.09 × 16,764.38
  4. Step 4: Simplify right side
    29,340.44x = 678,774,246.26
  5. Step 5: Solve for x
    x = 678,774,246.26/29,340.44
  6. Step 6: Final answer
    x = 23,134.43

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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.