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Finding the Fourth Proportional to 17,955.30, 26,934.12 and 14,661.30

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Solution

The fourth proportional to 17,955.30, 26,934.12 and 14,661.30 is: 21,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.30 : 26,934.12 = 14,661.30 : x
  2. Step 2: Convert to fraction form
    17,955.30/26,934.12 = 14,661.30/x
  3. Step 3: Cross multiply
    17,955.30x = 26,934.12 × 14,661.30
  4. Step 4: Simplify right side
    17,955.30x = 394,889,213.56
  5. Step 5: Solve for x
    x = 394,889,213.56/17,955.30
  6. Step 6: Final answer
    x = 21,992.91

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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.