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Finding the Fourth Proportional to 18,133.52, 25,024.20 and 10,175.78

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Solution

The fourth proportional to 18,133.52, 25,024.20 and 10,175.78 is: 14,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.52 : 25,024.20 = 10,175.78 : x
  2. Step 2: Convert to fraction form
    18,133.52/25,024.20 = 10,175.78/x
  3. Step 3: Cross multiply
    18,133.52x = 25,024.20 × 10,175.78
  4. Step 4: Simplify right side
    18,133.52x = 254,640,753.88
  5. Step 5: Solve for x
    x = 254,640,753.88/18,133.52
  6. Step 6: Final answer
    x = 14,042.54

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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.