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Finding the Fourth Proportional to 3,358.65, 4,634.79 and 1,942.11

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Solution

The fourth proportional to 3,358.65, 4,634.79 and 1,942.11 is: 2,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.65 : 4,634.79 = 1,942.11 : x
  2. Step 2: Convert to fraction form
    3,358.65/4,634.79 = 1,942.11/x
  3. Step 3: Cross multiply
    3,358.65x = 4,634.79 × 1,942.11
  4. Step 4: Simplify right side
    3,358.65x = 9,001,272.01
  5. Step 5: Solve for x
    x = 9,001,272.01/3,358.65
  6. Step 6: Final answer
    x = 2,680.03

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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.