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Finding the Fourth Proportional to 80,882.89, 111,619.20 and 44,585.63

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Solution

The fourth proportional to 80,882.89, 111,619.20 and 44,585.63 is: 61,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,882.89 : 111,619.20 = 44,585.63 : x
  2. Step 2: Convert to fraction form
    80,882.89/111,619.20 = 44,585.63/x
  3. Step 3: Cross multiply
    80,882.89x = 111,619.20 × 44,585.63
  4. Step 4: Simplify right side
    80,882.89x = 4,976,611,794
  5. Step 5: Solve for x
    x = 4,976,611,794/80,882.89
  6. Step 6: Final answer
    x = 61,528.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.