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Finding the Fourth Proportional to 17,818.26, 26,731.44 and 9,493.89

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Solution

The fourth proportional to 17,818.26, 26,731.44 and 9,493.89 is: 14,242.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.26 : 26,731.44 = 9,493.89 : x
  2. Step 2: Convert to fraction form
    17,818.26/26,731.44 = 9,493.89/x
  3. Step 3: Cross multiply
    17,818.26x = 26,731.44 × 9,493.89
  4. Step 4: Simplify right side
    17,818.26x = 253,785,350.90
  5. Step 5: Solve for x
    x = 253,785,350.90/17,818.26
  6. Step 6: Final answer
    x = 14,242.99

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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.