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Finding the Fourth Proportional to 3,422.52, 4,723.06 and 1,930.92

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Solution

The fourth proportional to 3,422.52, 4,723.06 and 1,930.92 is: 2,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.52 : 4,723.06 = 1,930.92 : x
  2. Step 2: Convert to fraction form
    3,422.52/4,723.06 = 1,930.92/x
  3. Step 3: Cross multiply
    3,422.52x = 4,723.06 × 1,930.92
  4. Step 4: Simplify right side
    3,422.52x = 9,119,858.66
  5. Step 5: Solve for x
    x = 9,119,858.66/3,422.52
  6. Step 6: Final answer
    x = 2,664.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.