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Finding the Fourth Proportional to 18,192.60, 25,104.74 and 10,234.49

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Solution

The fourth proportional to 18,192.60, 25,104.74 and 10,234.49 is: 14,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.60 : 25,104.74 = 10,234.49 : x
  2. Step 2: Convert to fraction form
    18,192.60/25,104.74 = 10,234.49/x
  3. Step 3: Cross multiply
    18,192.60x = 25,104.74 × 10,234.49
  4. Step 4: Simplify right side
    18,192.60x = 256,934,033.79
  5. Step 5: Solve for x
    x = 256,934,033.79/18,192.60
  6. Step 6: Final answer
    x = 14,123.00

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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.