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Finding the Fourth Proportional to 17,917.57, 24,727.12 and 9,959.63

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Solution

The fourth proportional to 17,917.57, 24,727.12 and 9,959.63 is: 13,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.57 : 24,727.12 = 9,959.63 : x
  2. Step 2: Convert to fraction form
    17,917.57/24,727.12 = 9,959.63/x
  3. Step 3: Cross multiply
    17,917.57x = 24,727.12 × 9,959.63
  4. Step 4: Simplify right side
    17,917.57x = 246,272,873.65
  5. Step 5: Solve for x
    x = 246,272,873.65/17,917.57
  6. Step 6: Final answer
    x = 13,744.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.