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Finding the Fourth Proportional to 7,610.55, 11,415.79 and 2,063.88

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Solution

The fourth proportional to 7,610.55, 11,415.79 and 2,063.88 is: 3,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.55 : 11,415.79 = 2,063.88 : x
  2. Step 2: Convert to fraction form
    7,610.55/11,415.79 = 2,063.88/x
  3. Step 3: Cross multiply
    7,610.55x = 11,415.79 × 2,063.88
  4. Step 4: Simplify right side
    7,610.55x = 23,560,763.59
  5. Step 5: Solve for x
    x = 23,560,763.59/7,610.55
  6. Step 6: Final answer
    x = 3,095.81

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Why These Related Problems?

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