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Finding the Fourth Proportional to 3,560.67, 4,913.71 and 1,967.43

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Solution

The fourth proportional to 3,560.67, 4,913.71 and 1,967.43 is: 2,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.67 : 4,913.71 = 1,967.43 : x
  2. Step 2: Convert to fraction form
    3,560.67/4,913.71 = 1,967.43/x
  3. Step 3: Cross multiply
    3,560.67x = 4,913.71 × 1,967.43
  4. Step 4: Simplify right side
    3,560.67x = 9,667,375.55
  5. Step 5: Solve for x
    x = 9,667,375.55/3,560.67
  6. Step 6: Final answer
    x = 2,715.04

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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.