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Finding the Fourth Proportional to 17,917.73, 24,726.52 and 9,959.98

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Solution

The fourth proportional to 17,917.73, 24,726.52 and 9,959.98 is: 13,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.73 : 24,726.52 = 9,959.98 : x
  2. Step 2: Convert to fraction form
    17,917.73/24,726.52 = 9,959.98/x
  3. Step 3: Cross multiply
    17,917.73x = 24,726.52 × 9,959.98
  4. Step 4: Simplify right side
    17,917.73x = 246,275,644.67
  5. Step 5: Solve for x
    x = 246,275,644.67/17,917.73
  6. Step 6: Final answer
    x = 13,744.80

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Why These Related Problems?

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