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Finding the Fourth Proportional to 18,042.96, 27,060.54 and 4,895.46

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Solution

The fourth proportional to 18,042.96, 27,060.54 and 4,895.46 is: 7,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.96 : 27,060.54 = 4,895.46 : x
  2. Step 2: Convert to fraction form
    18,042.96/27,060.54 = 4,895.46/x
  3. Step 3: Cross multiply
    18,042.96x = 27,060.54 × 4,895.46
  4. Step 4: Simplify right side
    18,042.96x = 132,473,791.15
  5. Step 5: Solve for x
    x = 132,473,791.15/18,042.96
  6. Step 6: Final answer
    x = 7,342.13

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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.