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Finding the Fourth Proportional to 18,646.92, 25,732.75 and 10,263.42

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Solution

The fourth proportional to 18,646.92, 25,732.75 and 10,263.42 is: 14,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.92 : 25,732.75 = 10,263.42 : x
  2. Step 2: Convert to fraction form
    18,646.92/25,732.75 = 10,263.42/x
  3. Step 3: Cross multiply
    18,646.92x = 25,732.75 × 10,263.42
  4. Step 4: Simplify right side
    18,646.92x = 264,106,101.33
  5. Step 5: Solve for x
    x = 264,106,101.33/18,646.92
  6. Step 6: Final answer
    x = 14,163.52

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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.