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Finding the Fourth Proportional to 18,042.75, 27,060.93 and 4,892.04

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Solution

The fourth proportional to 18,042.75, 27,060.93 and 4,892.04 is: 7,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.75 : 27,060.93 = 4,892.04 : x
  2. Step 2: Convert to fraction form
    18,042.75/27,060.93 = 4,892.04/x
  3. Step 3: Cross multiply
    18,042.75x = 27,060.93 × 4,892.04
  4. Step 4: Simplify right side
    18,042.75x = 132,383,152.00
  5. Step 5: Solve for x
    x = 132,383,152.00/18,042.75
  6. Step 6: Final answer
    x = 7,337.19

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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.