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Finding the Fourth Proportional to 32,793.70, 45,262.03 and 20,854.73

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Solution

The fourth proportional to 32,793.70, 45,262.03 and 20,854.73 is: 28,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,793.70 : 45,262.03 = 20,854.73 : x
  2. Step 2: Convert to fraction form
    32,793.70/45,262.03 = 20,854.73/x
  3. Step 3: Cross multiply
    32,793.70x = 45,262.03 × 20,854.73
  4. Step 4: Simplify right side
    32,793.70x = 943,927,414.90
  5. Step 5: Solve for x
    x = 943,927,414.90/32,793.70
  6. Step 6: Final answer
    x = 28,783.80

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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.