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Finding the Fourth Proportional to 3,604.01, 5,396.63 and 3,087.32

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Solution

The fourth proportional to 3,604.01, 5,396.63 and 3,087.32 is: 4,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.01 : 5,396.63 = 3,087.32 : x
  2. Step 2: Convert to fraction form
    3,604.01/5,396.63 = 3,087.32/x
  3. Step 3: Cross multiply
    3,604.01x = 5,396.63 × 3,087.32
  4. Step 4: Simplify right side
    3,604.01x = 16,661,081.31
  5. Step 5: Solve for x
    x = 16,661,081.31/3,604.01
  6. Step 6: Final answer
    x = 4,622.94

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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.