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Finding the Fourth Proportional to 3,424.98, 4,725.92 and 1,932.56

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Solution

The fourth proportional to 3,424.98, 4,725.92 and 1,932.56 is: 2,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.98 : 4,725.92 = 1,932.56 : x
  2. Step 2: Convert to fraction form
    3,424.98/4,725.92 = 1,932.56/x
  3. Step 3: Cross multiply
    3,424.98x = 4,725.92 × 1,932.56
  4. Step 4: Simplify right side
    3,424.98x = 9,133,090.66
  5. Step 5: Solve for x
    x = 9,133,090.66/3,424.98
  6. Step 6: Final answer
    x = 2,666.61

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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.