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Finding the Fourth Proportional to 23,324.70, 34,999.20 and 10,178.40

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Solution

The fourth proportional to 23,324.70, 34,999.20 and 10,178.40 is: 15,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,324.70 : 34,999.20 = 10,178.40 : x
  2. Step 2: Convert to fraction form
    23,324.70/34,999.20 = 10,178.40/x
  3. Step 3: Cross multiply
    23,324.70x = 34,999.20 × 10,178.40
  4. Step 4: Simplify right side
    23,324.70x = 356,235,857.28
  5. Step 5: Solve for x
    x = 356,235,857.28/23,324.70
  6. Step 6: Final answer
    x = 15,272.90

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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.