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Finding the Fourth Proportional to 57,755.16, 79,693.74 and 33,876.36

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Solution

The fourth proportional to 57,755.16, 79,693.74 and 33,876.36 is: 46,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,755.16 : 79,693.74 = 33,876.36 : x
  2. Step 2: Convert to fraction form
    57,755.16/79,693.74 = 33,876.36/x
  3. Step 3: Cross multiply
    57,755.16x = 79,693.74 × 33,876.36
  4. Step 4: Simplify right side
    57,755.16x = 2,699,733,825.99
  5. Step 5: Solve for x
    x = 2,699,733,825.99/57,755.16
  6. Step 6: Final answer
    x = 46,744.46

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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.