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Finding the Fourth Proportional to 7,285.73, 10,922.11 and 3,388.01

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Solution

The fourth proportional to 7,285.73, 10,922.11 and 3,388.01 is: 5,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.73 : 10,922.11 = 3,388.01 : x
  2. Step 2: Convert to fraction form
    7,285.73/10,922.11 = 3,388.01/x
  3. Step 3: Cross multiply
    7,285.73x = 10,922.11 × 3,388.01
  4. Step 4: Simplify right side
    7,285.73x = 37,004,217.90
  5. Step 5: Solve for x
    x = 37,004,217.90/7,285.73
  6. Step 6: Final answer
    x = 5,079.00

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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.