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Finding the Fourth Proportional to 57,493.80, 79,339.50 and 32,338.44

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Solution

The fourth proportional to 57,493.80, 79,339.50 and 32,338.44 is: 44,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,493.80 : 79,339.50 = 32,338.44 : x
  2. Step 2: Convert to fraction form
    57,493.80/79,339.50 = 32,338.44/x
  3. Step 3: Cross multiply
    57,493.80x = 79,339.50 × 32,338.44
  4. Step 4: Simplify right side
    57,493.80x = 2,565,715,660.38
  5. Step 5: Solve for x
    x = 2,565,715,660.38/57,493.80
  6. Step 6: Final answer
    x = 44,625.95

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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.