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Finding the Fourth Proportional to 5,973.64, 8,243.64 and 3,321.09

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Solution

The fourth proportional to 5,973.64, 8,243.64 and 3,321.09 is: 4,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.64 : 8,243.64 = 3,321.09 : x
  2. Step 2: Convert to fraction form
    5,973.64/8,243.64 = 3,321.09/x
  3. Step 3: Cross multiply
    5,973.64x = 8,243.64 × 3,321.09
  4. Step 4: Simplify right side
    5,973.64x = 27,377,870.37
  5. Step 5: Solve for x
    x = 27,377,870.37/5,973.64
  6. Step 6: Final answer
    x = 4,583.11

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Why These Related Problems?

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