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Finding the Fourth Proportional to 18,505.64, 25,538.12 and 10,548.37

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Solution

The fourth proportional to 18,505.64, 25,538.12 and 10,548.37 is: 14,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,505.64 : 25,538.12 = 10,548.37 : x
  2. Step 2: Convert to fraction form
    18,505.64/25,538.12 = 10,548.37/x
  3. Step 3: Cross multiply
    18,505.64x = 25,538.12 × 10,548.37
  4. Step 4: Simplify right side
    18,505.64x = 269,385,538.86
  5. Step 5: Solve for x
    x = 269,385,538.86/18,505.64
  6. Step 6: Final answer
    x = 14,556.94

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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.