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Finding the Fourth Proportional to 3,325.98, 4,986.18 and 1,244.82

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Solution

The fourth proportional to 3,325.98, 4,986.18 and 1,244.82 is: 1,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.98 : 4,986.18 = 1,244.82 : x
  2. Step 2: Convert to fraction form
    3,325.98/4,986.18 = 1,244.82/x
  3. Step 3: Cross multiply
    3,325.98x = 4,986.18 × 1,244.82
  4. Step 4: Simplify right side
    3,325.98x = 6,206,896.59
  5. Step 5: Solve for x
    x = 6,206,896.59/3,325.98
  6. Step 6: Final answer
    x = 1,866.19

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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.