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Finding the Fourth Proportional to 57,398.67, 79,208.82 and 33,197.85

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Solution

The fourth proportional to 57,398.67, 79,208.82 and 33,197.85 is: 45,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,398.67 : 79,208.82 = 33,197.85 : x
  2. Step 2: Convert to fraction form
    57,398.67/79,208.82 = 33,197.85/x
  3. Step 3: Cross multiply
    57,398.67x = 79,208.82 × 33,197.85
  4. Step 4: Simplify right side
    57,398.67x = 2,629,562,525.04
  5. Step 5: Solve for x
    x = 2,629,562,525.04/57,398.67
  6. Step 6: Final answer
    x = 45,812.26

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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.