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Finding the Fourth Proportional to 18,361.44, 27,544.68 and 5,881.86

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Solution

The fourth proportional to 18,361.44, 27,544.68 and 5,881.86 is: 8,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.44 : 27,544.68 = 5,881.86 : x
  2. Step 2: Convert to fraction form
    18,361.44/27,544.68 = 5,881.86/x
  3. Step 3: Cross multiply
    18,361.44x = 27,544.68 × 5,881.86
  4. Step 4: Simplify right side
    18,361.44x = 162,013,951.50
  5. Step 5: Solve for x
    x = 162,013,951.50/18,361.44
  6. Step 6: Final answer
    x = 8,823.60

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1.5x scale

Why These Related Problems?

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