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Finding the Fourth Proportional to 55,222.80, 82,793.70 and 21,926.40

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Solution

The fourth proportional to 55,222.80, 82,793.70 and 21,926.40 is: 32,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222.80 : 82,793.70 = 21,926.40 : x
  2. Step 2: Convert to fraction form
    55,222.80/82,793.70 = 21,926.40/x
  3. Step 3: Cross multiply
    55,222.80x = 82,793.70 × 21,926.40
  4. Step 4: Simplify right side
    55,222.80x = 1,815,367,783.68
  5. Step 5: Solve for x
    x = 1,815,367,783.68/55,222.80
  6. Step 6: Final answer
    x = 32,873.52

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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.