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Finding the Fourth Proportional to 55,580.70, 76,701.29 and 30,086.94

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Solution

The fourth proportional to 55,580.70, 76,701.29 and 30,086.94 is: 41,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,580.70 : 76,701.29 = 30,086.94 : x
  2. Step 2: Convert to fraction form
    55,580.70/76,701.29 = 30,086.94/x
  3. Step 3: Cross multiply
    55,580.70x = 76,701.29 × 30,086.94
  4. Step 4: Simplify right side
    55,580.70x = 2,307,706,959.72
  5. Step 5: Solve for x
    x = 2,307,706,959.72/55,580.70
  6. Step 6: Final answer
    x = 41,519.93

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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.