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Finding the Fourth Proportional to 2,684.26, 4,025.96 and 736.01

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Solution

The fourth proportional to 2,684.26, 4,025.96 and 736.01 is: 1,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.26 : 4,025.96 = 736.01 : x
  2. Step 2: Convert to fraction form
    2,684.26/4,025.96 = 736.01/x
  3. Step 3: Cross multiply
    2,684.26x = 4,025.96 × 736.01
  4. Step 4: Simplify right side
    2,684.26x = 2,963,140.87
  5. Step 5: Solve for x
    x = 2,963,140.87/2,684.26
  6. Step 6: Final answer
    x = 1,103.89

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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.