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Finding the Fourth Proportional to 57,770.62, 79,723.98 and 33,897.69

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Solution

The fourth proportional to 57,770.62, 79,723.98 and 33,897.69 is: 46,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,770.62 : 79,723.98 = 33,897.69 : x
  2. Step 2: Convert to fraction form
    57,770.62/79,723.98 = 33,897.69/x
  3. Step 3: Cross multiply
    57,770.62x = 79,723.98 × 33,897.69
  4. Step 4: Simplify right side
    57,770.62x = 2,702,458,759.61
  5. Step 5: Solve for x
    x = 2,702,458,759.61/57,770.62
  6. Step 6: Final answer
    x = 46,779.12

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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.