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Finding the Fourth Proportional to 55,995, 77,273.34 and 30,843.96

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Solution

The fourth proportional to 55,995, 77,273.34 and 30,843.96 is: 42,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,995 : 77,273.34 = 30,843.96 : x
  2. Step 2: Convert to fraction form
    55,995/77,273.34 = 30,843.96/x
  3. Step 3: Cross multiply
    55,995x = 77,273.34 × 30,843.96
  4. Step 4: Simplify right side
    55,995x = 2,383,415,808.03
  5. Step 5: Solve for x
    x = 2,383,415,808.03/55,995
  6. Step 6: Final answer
    x = 42,564.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.