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Finding the Fourth Proportional to 2,936, 4,402.94 and 1,375.74

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Solution

The fourth proportional to 2,936, 4,402.94 and 1,375.74 is: 2,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936 : 4,402.94 = 1,375.74 : x
  2. Step 2: Convert to fraction form
    2,936/4,402.94 = 1,375.74/x
  3. Step 3: Cross multiply
    2,936x = 4,402.94 × 1,375.74
  4. Step 4: Simplify right side
    2,936x = 6,057,300.68
  5. Step 5: Solve for x
    x = 6,057,300.68/2,936
  6. Step 6: Final answer
    x = 2,063.11

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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.