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Finding the Fourth Proportional to 57,891.33, 79,884.49 and 32,396.38

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Solution

The fourth proportional to 57,891.33, 79,884.49 and 32,396.38 is: 44,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,891.33 : 79,884.49 = 32,396.38 : x
  2. Step 2: Convert to fraction form
    57,891.33/79,884.49 = 32,396.38/x
  3. Step 3: Cross multiply
    57,891.33x = 79,884.49 × 32,396.38
  4. Step 4: Simplify right side
    57,891.33x = 2,587,968,013.44
  5. Step 5: Solve for x
    x = 2,587,968,013.44/57,891.33
  6. Step 6: Final answer
    x = 44,703.90

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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.