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Finding the Fourth Proportional to 32,753.60, 45,200.80 and 20,180.80

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Solution

The fourth proportional to 32,753.60, 45,200.80 and 20,180.80 is: 27,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,753.60 : 45,200.80 = 20,180.80 : x
  2. Step 2: Convert to fraction form
    32,753.60/45,200.80 = 20,180.80/x
  3. Step 3: Cross multiply
    32,753.60x = 45,200.80 × 20,180.80
  4. Step 4: Simplify right side
    32,753.60x = 912,188,304.64
  5. Step 5: Solve for x
    x = 912,188,304.64/32,753.60
  6. Step 6: Final answer
    x = 27,850.02

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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.