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Finding the Fourth Proportional to 84,447.87, 126,671.70 and 33,869.73

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Solution

The fourth proportional to 84,447.87, 126,671.70 and 33,869.73 is: 50,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,447.87 : 126,671.70 = 33,869.73 : x
  2. Step 2: Convert to fraction form
    84,447.87/126,671.70 = 33,869.73/x
  3. Step 3: Cross multiply
    84,447.87x = 126,671.70 × 33,869.73
  4. Step 4: Simplify right side
    84,447.87x = 4,290,336,277.64
  5. Step 5: Solve for x
    x = 4,290,336,277.64/84,447.87
  6. Step 6: Final answer
    x = 50,804.55

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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.