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Finding the Fourth Proportional to 18,650.39, 27,963.28 and 7,544.07

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Solution

The fourth proportional to 18,650.39, 27,963.28 and 7,544.07 is: 11,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.39 : 27,963.28 = 7,544.07 : x
  2. Step 2: Convert to fraction form
    18,650.39/27,963.28 = 7,544.07/x
  3. Step 3: Cross multiply
    18,650.39x = 27,963.28 × 7,544.07
  4. Step 4: Simplify right side
    18,650.39x = 210,956,941.75
  5. Step 5: Solve for x
    x = 210,956,941.75/18,650.39
  6. Step 6: Final answer
    x = 11,311.13

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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.