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Finding the Fourth Proportional to 55,236.60, 82,854.90 and 50,959.80

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Solution

The fourth proportional to 55,236.60, 82,854.90 and 50,959.80 is: 76,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.60 : 82,854.90 = 50,959.80 : x
  2. Step 2: Convert to fraction form
    55,236.60/82,854.90 = 50,959.80/x
  3. Step 3: Cross multiply
    55,236.60x = 82,854.90 × 50,959.80
  4. Step 4: Simplify right side
    55,236.60x = 4,222,269,133.02
  5. Step 5: Solve for x
    x = 4,222,269,133.02/55,236.60
  6. Step 6: Final answer
    x = 76,439.70

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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.