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Finding the Fourth Proportional to 32,575.80, 48,790.80 and 28,201.80

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Solution

The fourth proportional to 32,575.80, 48,790.80 and 28,201.80 is: 42,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,575.80 : 48,790.80 = 28,201.80 : x
  2. Step 2: Convert to fraction form
    32,575.80/48,790.80 = 28,201.80/x
  3. Step 3: Cross multiply
    32,575.80x = 48,790.80 × 28,201.80
  4. Step 4: Simplify right side
    32,575.80x = 1,375,988,383.44
  5. Step 5: Solve for x
    x = 1,375,988,383.44/32,575.80
  6. Step 6: Final answer
    x = 42,239.59

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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.