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Finding the Fourth Proportional to 55,892.09, 77,103.98 and 33,215.02

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Solution

The fourth proportional to 55,892.09, 77,103.98 and 33,215.02 is: 45,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,892.09 : 77,103.98 = 33,215.02 : x
  2. Step 2: Convert to fraction form
    55,892.09/77,103.98 = 33,215.02/x
  3. Step 3: Cross multiply
    55,892.09x = 77,103.98 × 33,215.02
  4. Step 4: Simplify right side
    55,892.09x = 2,561,010,452.22
  5. Step 5: Solve for x
    x = 2,561,010,452.22/55,892.09
  6. Step 6: Final answer
    x = 45,820.63

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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.