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Finding the Fourth Proportional to 57,680.68, 79,604.92 and 35,014.48

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Solution

The fourth proportional to 57,680.68, 79,604.92 and 35,014.48 is: 48,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,680.68 : 79,604.92 = 35,014.48 : x
  2. Step 2: Convert to fraction form
    57,680.68/79,604.92 = 35,014.48/x
  3. Step 3: Cross multiply
    57,680.68x = 79,604.92 × 35,014.48
  4. Step 4: Simplify right side
    57,680.68x = 2,787,324,879.24
  5. Step 5: Solve for x
    x = 2,787,324,879.24/57,680.68
  6. Step 6: Final answer
    x = 48,323.37

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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.