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Finding the Fourth Proportional to 57,728.62, 79,658.46 and 32,236.41

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Solution

The fourth proportional to 57,728.62, 79,658.46 and 32,236.41 is: 44,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,728.62 : 79,658.46 = 32,236.41 : x
  2. Step 2: Convert to fraction form
    57,728.62/79,658.46 = 32,236.41/x
  3. Step 3: Cross multiply
    57,728.62x = 79,658.46 × 32,236.41
  4. Step 4: Simplify right side
    57,728.62x = 2,567,902,493.79
  5. Step 5: Solve for x
    x = 2,567,902,493.79/57,728.62
  6. Step 6: Final answer
    x = 44,482.31

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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.