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Finding the Fourth Proportional to 18,174.71, 27,265.91 and 5,693.82

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Solution

The fourth proportional to 18,174.71, 27,265.91 and 5,693.82 is: 8,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.71 : 27,265.91 = 5,693.82 : x
  2. Step 2: Convert to fraction form
    18,174.71/27,265.91 = 5,693.82/x
  3. Step 3: Cross multiply
    18,174.71x = 27,265.91 × 5,693.82
  4. Step 4: Simplify right side
    18,174.71x = 155,247,155.21
  5. Step 5: Solve for x
    x = 155,247,155.21/18,174.71
  6. Step 6: Final answer
    x = 8,541.94

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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.