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Finding the Fourth Proportional to 18,096.78, 27,135.91 and 7,563.93

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Solution

The fourth proportional to 18,096.78, 27,135.91 and 7,563.93 is: 11,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.78 : 27,135.91 = 7,563.93 : x
  2. Step 2: Convert to fraction form
    18,096.78/27,135.91 = 7,563.93/x
  3. Step 3: Cross multiply
    18,096.78x = 27,135.91 × 7,563.93
  4. Step 4: Simplify right side
    18,096.78x = 205,254,123.73
  5. Step 5: Solve for x
    x = 205,254,123.73/18,096.78
  6. Step 6: Final answer
    x = 11,342.02

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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.