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Finding the Fourth Proportional to 36,672.26, 54,981.41 and 11,697.93

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Solution

The fourth proportional to 36,672.26, 54,981.41 and 11,697.93 is: 17,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,672.26 : 54,981.41 = 11,697.93 : x
  2. Step 2: Convert to fraction form
    36,672.26/54,981.41 = 11,697.93/x
  3. Step 3: Cross multiply
    36,672.26x = 54,981.41 × 11,697.93
  4. Step 4: Simplify right side
    36,672.26x = 643,168,626.99
  5. Step 5: Solve for x
    x = 643,168,626.99/36,672.26
  6. Step 6: Final answer
    x = 17,538.29

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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.