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Finding the Fourth Proportional to 2,937.67, 4,406.06 and 746.42

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Solution

The fourth proportional to 2,937.67, 4,406.06 and 746.42 is: 1,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.67 : 4,406.06 = 746.42 : x
  2. Step 2: Convert to fraction form
    2,937.67/4,406.06 = 746.42/x
  3. Step 3: Cross multiply
    2,937.67x = 4,406.06 × 746.42
  4. Step 4: Simplify right side
    2,937.67x = 3,288,751.14
  5. Step 5: Solve for x
    x = 3,288,751.14/2,937.67
  6. Step 6: Final answer
    x = 1,119.51

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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.