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Finding the Fourth Proportional to 17,704.21, 26,572.74 and 8,945.27

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Solution

The fourth proportional to 17,704.21, 26,572.74 and 8,945.27 is: 13,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,704.21 : 26,572.74 = 8,945.27 : x
  2. Step 2: Convert to fraction form
    17,704.21/26,572.74 = 8,945.27/x
  3. Step 3: Cross multiply
    17,704.21x = 26,572.74 × 8,945.27
  4. Step 4: Simplify right side
    17,704.21x = 237,700,400.37
  5. Step 5: Solve for x
    x = 237,700,400.37/17,704.21
  6. Step 6: Final answer
    x = 13,426.21

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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.