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Finding the Fourth Proportional to 57,699.90, 79,625.97 and 33,821.82

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Solution

The fourth proportional to 57,699.90, 79,625.97 and 33,821.82 is: 46,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.90 : 79,625.97 = 33,821.82 : x
  2. Step 2: Convert to fraction form
    57,699.90/79,625.97 = 33,821.82/x
  3. Step 3: Cross multiply
    57,699.90x = 79,625.97 × 33,821.82
  4. Step 4: Simplify right side
    57,699.90x = 2,693,095,224.67
  5. Step 5: Solve for x
    x = 2,693,095,224.67/57,699.90
  6. Step 6: Final answer
    x = 46,674.17

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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.