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Finding the Fourth Proportional to 53,799.20, 80,709.60 and 16,361.60

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Solution

The fourth proportional to 53,799.20, 80,709.60 and 16,361.60 is: 24,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,799.20 : 80,709.60 = 16,361.60 : x
  2. Step 2: Convert to fraction form
    53,799.20/80,709.60 = 16,361.60/x
  3. Step 3: Cross multiply
    53,799.20x = 80,709.60 × 16,361.60
  4. Step 4: Simplify right side
    53,799.20x = 1,320,538,191.36
  5. Step 5: Solve for x
    x = 1,320,538,191.36/53,799.20
  6. Step 6: Final answer
    x = 24,545.68

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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.