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Finding the Fourth Proportional to 27,100.80, 40,610.88 and 16,009.92

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Solution

The fourth proportional to 27,100.80, 40,610.88 and 16,009.92 is: 23,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,100.80 : 40,610.88 = 16,009.92 : x
  2. Step 2: Convert to fraction form
    27,100.80/40,610.88 = 16,009.92/x
  3. Step 3: Cross multiply
    27,100.80x = 40,610.88 × 16,009.92
  4. Step 4: Simplify right side
    27,100.80x = 650,176,939.93
  5. Step 5: Solve for x
    x = 650,176,939.93/27,100.80
  6. Step 6: Final answer
    x = 23,991.06

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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.