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Finding the Fourth Proportional to 55,755.61, 83,649.83 and 22,458.54

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Solution

The fourth proportional to 55,755.61, 83,649.83 and 22,458.54 is: 33,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,755.61 : 83,649.83 = 22,458.54 : x
  2. Step 2: Convert to fraction form
    55,755.61/83,649.83 = 22,458.54/x
  3. Step 3: Cross multiply
    55,755.61x = 83,649.83 × 22,458.54
  4. Step 4: Simplify right side
    55,755.61x = 1,878,653,053.05
  5. Step 5: Solve for x
    x = 1,878,653,053.05/55,755.61
  6. Step 6: Final answer
    x = 33,694.42

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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.