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Finding the Fourth Proportional to 50,489.10, 75,733.65 and 33,649.20

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Solution

The fourth proportional to 50,489.10, 75,733.65 and 33,649.20 is: 50,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,489.10 : 75,733.65 = 33,649.20 : x
  2. Step 2: Convert to fraction form
    50,489.10/75,733.65 = 33,649.20/x
  3. Step 3: Cross multiply
    50,489.10x = 75,733.65 × 33,649.20
  4. Step 4: Simplify right side
    50,489.10x = 2,548,376,735.58
  5. Step 5: Solve for x
    x = 2,548,376,735.58/50,489.10
  6. Step 6: Final answer
    x = 50,473.80

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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.