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Finding the Fourth Proportional to 17,854.32, 26,771.44 and 7,321.44

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Solution

The fourth proportional to 17,854.32, 26,771.44 and 7,321.44 is: 10,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,854.32 : 26,771.44 = 7,321.44 : x
  2. Step 2: Convert to fraction form
    17,854.32/26,771.44 = 7,321.44/x
  3. Step 3: Cross multiply
    17,854.32x = 26,771.44 × 7,321.44
  4. Step 4: Simplify right side
    17,854.32x = 196,005,491.67
  5. Step 5: Solve for x
    x = 196,005,491.67/17,854.32
  6. Step 6: Final answer
    x = 10,978.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.