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Finding the Fourth Proportional to 3,833.96, 5,754.95 and 3,398.00

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Solution

The fourth proportional to 3,833.96, 5,754.95 and 3,398.00 is: 5,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.96 : 5,754.95 = 3,398.00 : x
  2. Step 2: Convert to fraction form
    3,833.96/5,754.95 = 3,398.00/x
  3. Step 3: Cross multiply
    3,833.96x = 5,754.95 × 3,398.00
  4. Step 4: Simplify right side
    3,833.96x = 19,555,287.08
  5. Step 5: Solve for x
    x = 19,555,287.08/3,833.96
  6. Step 6: Final answer
    x = 5,100.55

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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.