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Finding the Fourth Proportional to 61,525.68, 84,905.49 and 33,231.39

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Solution

The fourth proportional to 61,525.68, 84,905.49 and 33,231.39 is: 45,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,525.68 : 84,905.49 = 33,231.39 : x
  2. Step 2: Convert to fraction form
    61,525.68/84,905.49 = 33,231.39/x
  3. Step 3: Cross multiply
    61,525.68x = 84,905.49 × 33,231.39
  4. Step 4: Simplify right side
    61,525.68x = 2,821,527,451.33
  5. Step 5: Solve for x
    x = 2,821,527,451.33/61,525.68
  6. Step 6: Final answer
    x = 45,859.35

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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.