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Finding the Fourth Proportional to 55,050.49, 82,578.87 and 15,604.50

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Solution

The fourth proportional to 55,050.49, 82,578.87 and 15,604.50 is: 23,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.49 : 82,578.87 = 15,604.50 : x
  2. Step 2: Convert to fraction form
    55,050.49/82,578.87 = 15,604.50/x
  3. Step 3: Cross multiply
    55,050.49x = 82,578.87 × 15,604.50
  4. Step 4: Simplify right side
    55,050.49x = 1,288,601,976.92
  5. Step 5: Solve for x
    x = 1,288,601,976.92/55,050.49
  6. Step 6: Final answer
    x = 23,407.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.