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Finding the Fourth Proportional to 57,770.33, 79,723.61 and 33,897.41

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Solution

The fourth proportional to 57,770.33, 79,723.61 and 33,897.41 is: 46,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,770.33 : 79,723.61 = 33,897.41 : x
  2. Step 2: Convert to fraction form
    57,770.33/79,723.61 = 33,897.41/x
  3. Step 3: Cross multiply
    57,770.33x = 79,723.61 × 33,897.41
  4. Step 4: Simplify right side
    57,770.33x = 2,702,423,894.85
  5. Step 5: Solve for x
    x = 2,702,423,894.85/57,770.33
  6. Step 6: Final answer
    x = 46,778.75

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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.