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Finding the Fourth Proportional to 2,709.66, 3,737.43 and 1,662.14

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Solution

The fourth proportional to 2,709.66, 3,737.43 and 1,662.14 is: 2,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.66 : 3,737.43 = 1,662.14 : x
  2. Step 2: Convert to fraction form
    2,709.66/3,737.43 = 1,662.14/x
  3. Step 3: Cross multiply
    2,709.66x = 3,737.43 × 1,662.14
  4. Step 4: Simplify right side
    2,709.66x = 6,212,131.90
  5. Step 5: Solve for x
    x = 6,212,131.90/2,709.66
  6. Step 6: Final answer
    x = 2,292.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.