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Finding the Fourth Proportional to 80,486.73, 111,069.57 and 44,675.82

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Solution

The fourth proportional to 80,486.73, 111,069.57 and 44,675.82 is: 61,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,486.73 : 111,069.57 = 44,675.82 : x
  2. Step 2: Convert to fraction form
    80,486.73/111,069.57 = 44,675.82/x
  3. Step 3: Cross multiply
    80,486.73x = 111,069.57 × 44,675.82
  4. Step 4: Simplify right side
    80,486.73x = 4,962,124,116.80
  5. Step 5: Solve for x
    x = 4,962,124,116.80/80,486.73
  6. Step 6: Final answer
    x = 61,651.46

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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.