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Finding the Fourth Proportional to 18,753.52, 25,879.16 and 10,370.16

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Solution

The fourth proportional to 18,753.52, 25,879.16 and 10,370.16 is: 14,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.52 : 25,879.16 = 10,370.16 : x
  2. Step 2: Convert to fraction form
    18,753.52/25,879.16 = 10,370.16/x
  3. Step 3: Cross multiply
    18,753.52x = 25,879.16 × 10,370.16
  4. Step 4: Simplify right side
    18,753.52x = 268,371,029.87
  5. Step 5: Solve for x
    x = 268,371,029.87/18,753.52
  6. Step 6: Final answer
    x = 14,310.44

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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.