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Finding the Fourth Proportional to 52,677.25, 72,694.13 and 28,804.09

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Solution

The fourth proportional to 52,677.25, 72,694.13 and 28,804.09 is: 39,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,677.25 : 72,694.13 = 28,804.09 : x
  2. Step 2: Convert to fraction form
    52,677.25/72,694.13 = 28,804.09/x
  3. Step 3: Cross multiply
    52,677.25x = 72,694.13 × 28,804.09
  4. Step 4: Simplify right side
    52,677.25x = 2,093,888,262.99
  5. Step 5: Solve for x
    x = 2,093,888,262.99/52,677.25
  6. Step 6: Final answer
    x = 39,749.39

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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.