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Finding the Fourth Proportional to 17,954.25, 26,934.29 and 5,305.29

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Solution

The fourth proportional to 17,954.25, 26,934.29 and 5,305.29 is: 7,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.25 : 26,934.29 = 5,305.29 : x
  2. Step 2: Convert to fraction form
    17,954.25/26,934.29 = 5,305.29/x
  3. Step 3: Cross multiply
    17,954.25x = 26,934.29 × 5,305.29
  4. Step 4: Simplify right side
    17,954.25x = 142,894,182.16
  5. Step 5: Solve for x
    x = 142,894,182.16/17,954.25
  6. Step 6: Final answer
    x = 7,958.80

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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.