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Finding the Fourth Proportional to 32,505.20, 48,757.80 and 18,459.80

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Solution

The fourth proportional to 32,505.20, 48,757.80 and 18,459.80 is: 27,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,505.20 : 48,757.80 = 18,459.80 : x
  2. Step 2: Convert to fraction form
    32,505.20/48,757.80 = 18,459.80/x
  3. Step 3: Cross multiply
    32,505.20x = 48,757.80 × 18,459.80
  4. Step 4: Simplify right side
    32,505.20x = 900,059,236.44
  5. Step 5: Solve for x
    x = 900,059,236.44/32,505.20
  6. Step 6: Final answer
    x = 27,689.70

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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.