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Finding the Fourth Proportional to 18,463.91, 27,704.90 and 11,442.04

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Solution

The fourth proportional to 18,463.91, 27,704.90 and 11,442.04 is: 17,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.91 : 27,704.90 = 11,442.04 : x
  2. Step 2: Convert to fraction form
    18,463.91/27,704.90 = 11,442.04/x
  3. Step 3: Cross multiply
    18,463.91x = 27,704.90 × 11,442.04
  4. Step 4: Simplify right side
    18,463.91x = 317,000,574.00
  5. Step 5: Solve for x
    x = 317,000,574.00/18,463.91
  6. Step 6: Final answer
    x = 17,168.66

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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.