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Finding the Fourth Proportional to 32,230.44, 48,339.90 and 20,508.84

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Solution

The fourth proportional to 32,230.44, 48,339.90 and 20,508.84 is: 30,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,230.44 : 48,339.90 = 20,508.84 : x
  2. Step 2: Convert to fraction form
    32,230.44/48,339.90 = 20,508.84/x
  3. Step 3: Cross multiply
    32,230.44x = 48,339.90 × 20,508.84
  4. Step 4: Simplify right side
    32,230.44x = 991,395,274.72
  5. Step 5: Solve for x
    x = 991,395,274.72/32,230.44
  6. Step 6: Final answer
    x = 30,759.59

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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.