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Finding the Fourth Proportional to 7,551.30, 11,324.79 and 2,933.22

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Solution

The fourth proportional to 7,551.30, 11,324.79 and 2,933.22 is: 4,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.30 : 11,324.79 = 2,933.22 : x
  2. Step 2: Convert to fraction form
    7,551.30/11,324.79 = 2,933.22/x
  3. Step 3: Cross multiply
    7,551.30x = 11,324.79 × 2,933.22
  4. Step 4: Simplify right side
    7,551.30x = 33,218,100.52
  5. Step 5: Solve for x
    x = 33,218,100.52/7,551.30
  6. Step 6: Final answer
    x = 4,398.99

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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.