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Finding the Fourth Proportional to 36,651.52, 54,974.16 and 11,690.56

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Solution

The fourth proportional to 36,651.52, 54,974.16 and 11,690.56 is: 17,534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,651.52 : 54,974.16 = 11,690.56 : x
  2. Step 2: Convert to fraction form
    36,651.52/54,974.16 = 11,690.56/x
  3. Step 3: Cross multiply
    36,651.52x = 54,974.16 × 11,690.56
  4. Step 4: Simplify right side
    36,651.52x = 642,678,715.93
  5. Step 5: Solve for x
    x = 642,678,715.93/36,651.52
  6. Step 6: Final answer
    x = 17,534.84

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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.