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Finding the Fourth Proportional to 50,512.68, 75,769.02 and 28,292.76

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Solution

The fourth proportional to 50,512.68, 75,769.02 and 28,292.76 is: 42,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,512.68 : 75,769.02 = 28,292.76 : x
  2. Step 2: Convert to fraction form
    50,512.68/75,769.02 = 28,292.76/x
  3. Step 3: Cross multiply
    50,512.68x = 75,769.02 × 28,292.76
  4. Step 4: Simplify right side
    50,512.68x = 2,143,714,698.30
  5. Step 5: Solve for x
    x = 2,143,714,698.30/50,512.68
  6. Step 6: Final answer
    x = 42,439.14

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Similar ratio
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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.