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Finding the Fourth Proportional to 3,612.32, 4,985.00 and 2,040.41

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Solution

The fourth proportional to 3,612.32, 4,985.00 and 2,040.41 is: 2,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.32 : 4,985.00 = 2,040.41 : x
  2. Step 2: Convert to fraction form
    3,612.32/4,985.00 = 2,040.41/x
  3. Step 3: Cross multiply
    3,612.32x = 4,985.00 × 2,040.41
  4. Step 4: Simplify right side
    3,612.32x = 10,171,433.65
  5. Step 5: Solve for x
    x = 10,171,433.65/3,612.32
  6. Step 6: Final answer
    x = 2,815.76

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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.