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Finding the Fourth Proportional to 7,100.73, 10,643.92 and 2,934.99

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Solution

The fourth proportional to 7,100.73, 10,643.92 and 2,934.99 is: 4,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.73 : 10,643.92 = 2,934.99 : x
  2. Step 2: Convert to fraction form
    7,100.73/10,643.92 = 2,934.99/x
  3. Step 3: Cross multiply
    7,100.73x = 10,643.92 × 2,934.99
  4. Step 4: Simplify right side
    7,100.73x = 31,239,791.42
  5. Step 5: Solve for x
    x = 31,239,791.42/7,100.73
  6. Step 6: Final answer
    x = 4,399.52

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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.