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Finding the Fourth Proportional to 71,998.77, 108,010.46 and 27,016.28

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Solution

The fourth proportional to 71,998.77, 108,010.46 and 27,016.28 is: 40,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,998.77 : 108,010.46 = 27,016.28 : x
  2. Step 2: Convert to fraction form
    71,998.77/108,010.46 = 27,016.28/x
  3. Step 3: Cross multiply
    71,998.77x = 108,010.46 × 27,016.28
  4. Step 4: Simplify right side
    71,998.77x = 2,918,041,370.38
  5. Step 5: Solve for x
    x = 2,918,041,370.38/71,998.77
  6. Step 6: Final answer
    x = 40,529.04

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1.5x scale

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.