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Finding the Fourth Proportional to 61,556.80, 84,948.44 and 33,262.48

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Solution

The fourth proportional to 61,556.80, 84,948.44 and 33,262.48 is: 45,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,556.80 : 84,948.44 = 33,262.48 : x
  2. Step 2: Convert to fraction form
    61,556.80/84,948.44 = 33,262.48/x
  3. Step 3: Cross multiply
    61,556.80x = 84,948.44 × 33,262.48
  4. Step 4: Simplify right side
    61,556.80x = 2,825,595,786.53
  5. Step 5: Solve for x
    x = 2,825,595,786.53/61,556.80
  6. Step 6: Final answer
    x = 45,902.25

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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.