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Finding the Fourth Proportional to 7,310.94, 10,959.65 and 3,560.49

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Solution

The fourth proportional to 7,310.94, 10,959.65 and 3,560.49 is: 5,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.94 : 10,959.65 = 3,560.49 : x
  2. Step 2: Convert to fraction form
    7,310.94/10,959.65 = 3,560.49/x
  3. Step 3: Cross multiply
    7,310.94x = 10,959.65 × 3,560.49
  4. Step 4: Simplify right side
    7,310.94x = 39,021,706.43
  5. Step 5: Solve for x
    x = 39,021,706.43/7,310.94
  6. Step 6: Final answer
    x = 5,337.44

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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.