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Finding the Fourth Proportional to 35,620.84, 53,528.19 and 18,992.62

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Solution

The fourth proportional to 35,620.84, 53,528.19 and 18,992.62 is: 28,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.84 : 53,528.19 = 18,992.62 : x
  2. Step 2: Convert to fraction form
    35,620.84/53,528.19 = 18,992.62/x
  3. Step 3: Cross multiply
    35,620.84x = 53,528.19 × 18,992.62
  4. Step 4: Simplify right side
    35,620.84x = 1,016,640,571.96
  5. Step 5: Solve for x
    x = 1,016,640,571.96/35,620.84
  6. Step 6: Final answer
    x = 28,540.61

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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.