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Finding the Fourth Proportional to 18,361.58, 27,543.02 and 5,881.98

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Solution

The fourth proportional to 18,361.58, 27,543.02 and 5,881.98 is: 8,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.58 : 27,543.02 = 5,881.98 : x
  2. Step 2: Convert to fraction form
    18,361.58/27,543.02 = 5,881.98/x
  3. Step 3: Cross multiply
    18,361.58x = 27,543.02 × 5,881.98
  4. Step 4: Simplify right side
    18,361.58x = 162,007,492.78
  5. Step 5: Solve for x
    x = 162,007,492.78/18,361.58
  6. Step 6: Final answer
    x = 8,823.18

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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.