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Finding the Fourth Proportional to 7,192.76, 10,790.50 and 2,809.94

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Solution

The fourth proportional to 7,192.76, 10,790.50 and 2,809.94 is: 4,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.76 : 10,790.50 = 2,809.94 : x
  2. Step 2: Convert to fraction form
    7,192.76/10,790.50 = 2,809.94/x
  3. Step 3: Cross multiply
    7,192.76x = 10,790.50 × 2,809.94
  4. Step 4: Simplify right side
    7,192.76x = 30,320,623.57
  5. Step 5: Solve for x
    x = 30,320,623.57/7,192.76
  6. Step 6: Final answer
    x = 4,215.44

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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.