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Finding the Fourth Proportional to 29,761.80, 44,556.30 and 28,897.80

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Solution

The fourth proportional to 29,761.80, 44,556.30 and 28,897.80 is: 43,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,761.80 : 44,556.30 = 28,897.80 : x
  2. Step 2: Convert to fraction form
    29,761.80/44,556.30 = 28,897.80/x
  3. Step 3: Cross multiply
    29,761.80x = 44,556.30 × 28,897.80
  4. Step 4: Simplify right side
    29,761.80x = 1,287,579,046.14
  5. Step 5: Solve for x
    x = 1,287,579,046.14/29,761.80
  6. Step 6: Final answer
    x = 43,262.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.