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Finding the Fourth Proportional to 36,742.44, 50,649.42 and 28,770.84

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Solution

The fourth proportional to 36,742.44, 50,649.42 and 28,770.84 is: 39,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,742.44 : 50,649.42 = 28,770.84 : x
  2. Step 2: Convert to fraction form
    36,742.44/50,649.42 = 28,770.84/x
  3. Step 3: Cross multiply
    36,742.44x = 50,649.42 × 28,770.84
  4. Step 4: Simplify right side
    36,742.44x = 1,457,226,358.91
  5. Step 5: Solve for x
    x = 1,457,226,358.91/36,742.44
  6. Step 6: Final answer
    x = 39,660.58

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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.