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Finding the Fourth Proportional to 3,347.65, 4,620.41 and 1,932.26

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Solution

The fourth proportional to 3,347.65, 4,620.41 and 1,932.26 is: 2,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.65 : 4,620.41 = 1,932.26 : x
  2. Step 2: Convert to fraction form
    3,347.65/4,620.41 = 1,932.26/x
  3. Step 3: Cross multiply
    3,347.65x = 4,620.41 × 1,932.26
  4. Step 4: Simplify right side
    3,347.65x = 8,927,800.66
  5. Step 5: Solve for x
    x = 8,927,800.66/3,347.65
  6. Step 6: Final answer
    x = 2,666.89

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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.