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Finding the Fourth Proportional to 18,372.44, 27,541.94 and 6,677.40

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Solution

The fourth proportional to 18,372.44, 27,541.94 and 6,677.40 is: 10,010.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.44 : 27,541.94 = 6,677.40 : x
  2. Step 2: Convert to fraction form
    18,372.44/27,541.94 = 6,677.40/x
  3. Step 3: Cross multiply
    18,372.44x = 27,541.94 × 6,677.40
  4. Step 4: Simplify right side
    18,372.44x = 183,908,550.16
  5. Step 5: Solve for x
    x = 183,908,550.16/18,372.44
  6. Step 6: Final answer
    x = 10,010.02

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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.