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Finding the Fourth Proportional to 55,513.82, 76,610.88 and 30,363.32

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Solution

The fourth proportional to 55,513.82, 76,610.88 and 30,363.32 is: 41,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513.82 : 76,610.88 = 30,363.32 : x
  2. Step 2: Convert to fraction form
    55,513.82/76,610.88 = 30,363.32/x
  3. Step 3: Cross multiply
    55,513.82x = 76,610.88 × 30,363.32
  4. Step 4: Simplify right side
    55,513.82x = 2,326,160,664.92
  5. Step 5: Solve for x
    x = 2,326,160,664.92/55,513.82
  6. Step 6: Final answer
    x = 41,902.37

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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.