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Finding the Fourth Proportional to 52,750.26, 72,796.14 and 28,879.14

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Solution

The fourth proportional to 52,750.26, 72,796.14 and 28,879.14 is: 39,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,750.26 : 72,796.14 = 28,879.14 : x
  2. Step 2: Convert to fraction form
    52,750.26/72,796.14 = 28,879.14/x
  3. Step 3: Cross multiply
    52,750.26x = 72,796.14 × 28,879.14
  4. Step 4: Simplify right side
    52,750.26x = 2,102,289,918.52
  5. Step 5: Solve for x
    x = 2,102,289,918.52/52,750.26
  6. Step 6: Final answer
    x = 39,853.64

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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.