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Finding the Fourth Proportional to 20,264.58, 27,967.77 and 11,881.86

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Solution

The fourth proportional to 20,264.58, 27,967.77 and 11,881.86 is: 16,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.58 : 27,967.77 = 11,881.86 : x
  2. Step 2: Convert to fraction form
    20,264.58/27,967.77 = 11,881.86/x
  3. Step 3: Cross multiply
    20,264.58x = 27,967.77 × 11,881.86
  4. Step 4: Simplify right side
    20,264.58x = 332,309,127.65
  5. Step 5: Solve for x
    x = 332,309,127.65/20,264.58
  6. Step 6: Final answer
    x = 16,398.52

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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.