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Finding the Fourth Proportional to 18,592.46, 25,662.05 and 10,639.30

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Solution

The fourth proportional to 18,592.46, 25,662.05 and 10,639.30 is: 14,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.46 : 25,662.05 = 10,639.30 : x
  2. Step 2: Convert to fraction form
    18,592.46/25,662.05 = 10,639.30/x
  3. Step 3: Cross multiply
    18,592.46x = 25,662.05 × 10,639.30
  4. Step 4: Simplify right side
    18,592.46x = 273,026,264.11
  5. Step 5: Solve for x
    x = 273,026,264.11/18,592.46
  6. Step 6: Final answer
    x = 14,684.78

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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.