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Finding the Fourth Proportional to 18,300.99, 25,253.46 and 10,234.20

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Solution

The fourth proportional to 18,300.99, 25,253.46 and 10,234.20 is: 14,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.99 : 25,253.46 = 10,234.20 : x
  2. Step 2: Convert to fraction form
    18,300.99/25,253.46 = 10,234.20/x
  3. Step 3: Cross multiply
    18,300.99x = 25,253.46 × 10,234.20
  4. Step 4: Simplify right side
    18,300.99x = 258,448,960.33
  5. Step 5: Solve for x
    x = 258,448,960.33/18,300.99
  6. Step 6: Final answer
    x = 14,122.13

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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.