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Finding the Fourth Proportional to 17,758.08, 26,649 and 7,369.83

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Solution

The fourth proportional to 17,758.08, 26,649 and 7,369.83 is: 11,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.08 : 26,649 = 7,369.83 : x
  2. Step 2: Convert to fraction form
    17,758.08/26,649 = 7,369.83/x
  3. Step 3: Cross multiply
    17,758.08x = 26,649 × 7,369.83
  4. Step 4: Simplify right side
    17,758.08x = 196,398,599.67
  5. Step 5: Solve for x
    x = 196,398,599.67/17,758.08
  6. Step 6: Final answer
    x = 11,059.68

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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.