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Finding the Fourth Proportional to 53,494.40, 80,241.60 and 33,795.20

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Solution

The fourth proportional to 53,494.40, 80,241.60 and 33,795.20 is: 50,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,494.40 : 80,241.60 = 33,795.20 : x
  2. Step 2: Convert to fraction form
    53,494.40/80,241.60 = 33,795.20/x
  3. Step 3: Cross multiply
    53,494.40x = 80,241.60 × 33,795.20
  4. Step 4: Simplify right side
    53,494.40x = 2,711,780,920.32
  5. Step 5: Solve for x
    x = 2,711,780,920.32/53,494.40
  6. Step 6: Final answer
    x = 50,692.80

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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.