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Finding the Fourth Proportional to 2,704.88, 4,057.32 and 926.07

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Solution

The fourth proportional to 2,704.88, 4,057.32 and 926.07 is: 1,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.88 : 4,057.32 = 926.07 : x
  2. Step 2: Convert to fraction form
    2,704.88/4,057.32 = 926.07/x
  3. Step 3: Cross multiply
    2,704.88x = 4,057.32 × 926.07
  4. Step 4: Simplify right side
    2,704.88x = 3,757,362.33
  5. Step 5: Solve for x
    x = 3,757,362.33/2,704.88
  6. Step 6: Final answer
    x = 1,389.11

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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.