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Finding the Fourth Proportional to 57,976.60, 80,003.90 and 32,827.80

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Solution

The fourth proportional to 57,976.60, 80,003.90 and 32,827.80 is: 45,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,976.60 : 80,003.90 = 32,827.80 : x
  2. Step 2: Convert to fraction form
    57,976.60/80,003.90 = 32,827.80/x
  3. Step 3: Cross multiply
    57,976.60x = 80,003.90 × 32,827.80
  4. Step 4: Simplify right side
    57,976.60x = 2,626,352,028.42
  5. Step 5: Solve for x
    x = 2,626,352,028.42/57,976.60
  6. Step 6: Final answer
    x = 45,300.21

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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.