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Finding the Fourth Proportional to 2,926.53, 4,391.42 and 1,367.82

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Solution

The fourth proportional to 2,926.53, 4,391.42 and 1,367.82 is: 2,052.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.53 : 4,391.42 = 1,367.82 : x
  2. Step 2: Convert to fraction form
    2,926.53/4,391.42 = 1,367.82/x
  3. Step 3: Cross multiply
    2,926.53x = 4,391.42 × 1,367.82
  4. Step 4: Simplify right side
    2,926.53x = 6,006,665.27
  5. Step 5: Solve for x
    x = 6,006,665.27/2,926.53
  6. Step 6: Final answer
    x = 2,052.49

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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.