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Finding the Fourth Proportional to 18,253.64, 27,380.46 and 4,402.64

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Solution

The fourth proportional to 18,253.64, 27,380.46 and 4,402.64 is: 6,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.64 : 27,380.46 = 4,402.64 : x
  2. Step 2: Convert to fraction form
    18,253.64/27,380.46 = 4,402.64/x
  3. Step 3: Cross multiply
    18,253.64x = 27,380.46 × 4,402.64
  4. Step 4: Simplify right side
    18,253.64x = 120,546,308.41
  5. Step 5: Solve for x
    x = 120,546,308.41/18,253.64
  6. Step 6: Final answer
    x = 6,603.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.