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Finding the Fourth Proportional to 7,361.80, 11,046.24 and 3,664.35

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Solution

The fourth proportional to 7,361.80, 11,046.24 and 3,664.35 is: 5,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.80 : 11,046.24 = 3,664.35 : x
  2. Step 2: Convert to fraction form
    7,361.80/11,046.24 = 3,664.35/x
  3. Step 3: Cross multiply
    7,361.80x = 11,046.24 × 3,664.35
  4. Step 4: Simplify right side
    7,361.80x = 40,477,289.54
  5. Step 5: Solve for x
    x = 40,477,289.54/7,361.80
  6. Step 6: Final answer
    x = 5,498.29

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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.