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Finding the Fourth Proportional to 29,469.10, 40,666.78 and 16,040.60

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Solution

The fourth proportional to 29,469.10, 40,666.78 and 16,040.60 is: 22,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,469.10 : 40,666.78 = 16,040.60 : x
  2. Step 2: Convert to fraction form
    29,469.10/40,666.78 = 16,040.60/x
  3. Step 3: Cross multiply
    29,469.10x = 40,666.78 × 16,040.60
  4. Step 4: Simplify right side
    29,469.10x = 652,319,551.27
  5. Step 5: Solve for x
    x = 652,319,551.27/29,469.10
  6. Step 6: Final answer
    x = 22,135.71

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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.