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Finding the Fourth Proportional to 29,311.70, 43,969.56 and 14,516.64

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Solution

The fourth proportional to 29,311.70, 43,969.56 and 14,516.64 is: 21,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.70 : 43,969.56 = 14,516.64 : x
  2. Step 2: Convert to fraction form
    29,311.70/43,969.56 = 14,516.64/x
  3. Step 3: Cross multiply
    29,311.70x = 43,969.56 × 14,516.64
  4. Step 4: Simplify right side
    29,311.70x = 638,290,273.48
  5. Step 5: Solve for x
    x = 638,290,273.48/29,311.70
  6. Step 6: Final answer
    x = 21,775.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.