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Finding the Fourth Proportional to 23,305.10, 32,179.98 and 18,998.86

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Solution

The fourth proportional to 23,305.10, 32,179.98 and 18,998.86 is: 26,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,305.10 : 32,179.98 = 18,998.86 : x
  2. Step 2: Convert to fraction form
    23,305.10/32,179.98 = 18,998.86/x
  3. Step 3: Cross multiply
    23,305.10x = 32,179.98 × 18,998.86
  4. Step 4: Simplify right side
    23,305.10x = 611,382,934.82
  5. Step 5: Solve for x
    x = 611,382,934.82/23,305.10
  6. Step 6: Final answer
    x = 26,233.87

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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.